diff --git a/pcbnew/drc/drc_cache_generator.cpp b/pcbnew/drc/drc_cache_generator.cpp
index a00625b3dc..1b94c77d08 100644
--- a/pcbnew/drc/drc_cache_generator.cpp
+++ b/pcbnew/drc/drc_cache_generator.cpp
@@ -148,7 +148,7 @@ bool DRC_CACHE_GENERATOR::Run()
 
     while( status != std::future_status::ready )
     {
-        m_drcEngine->ReportProgress( static_cast<double>( done ) / count );
+        reportProgress( done, count );
         status = retn.wait_for( std::chrono::milliseconds( 250 ) );
     }
 
@@ -204,7 +204,7 @@ bool DRC_CACHE_GENERATOR::Run()
 
         while( status != std::future_status::ready )
         {
-            m_drcEngine->ReportProgress( static_cast<double>( done ) / allZones.size() );
+            reportProgress( done, allZones.size() );
             status = ret.wait_for( std::chrono::milliseconds( 250 ) );
         }
     }
diff --git a/pcbnew/drc/drc_test_provider.cpp b/pcbnew/drc/drc_test_provider.cpp
index c30ed07397..db8f35284d 100644
--- a/pcbnew/drc/drc_test_provider.cpp
+++ b/pcbnew/drc/drc_test_provider.cpp
@@ -1,7 +1,7 @@
 /*
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
- * Copyright (C) 2020-2023 KiCad Developers, see AUTHORS.txt for contributors.
+ * Copyright (C) 2020-2024 KiCad Developers, see AUTHORS.txt for contributors.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -84,11 +84,11 @@ void DRC_TEST_PROVIDER::reportViolation( std::shared_ptr<DRC_ITEM>& item,
 }
 
 
-bool DRC_TEST_PROVIDER::reportProgress( int aCount, int aSize, int aDelta )
+bool DRC_TEST_PROVIDER::reportProgress( size_t aCount, size_t aSize, size_t aDelta )
 {
     if( ( aCount % aDelta ) == 0 || aCount == aSize -  1 )
     {
-        if( !m_drcEngine->ReportProgress( (double) aCount / (double) aSize ) )
+        if( !m_drcEngine->ReportProgress( static_cast<double>( aCount ) / aSize ) )
             return false;
     }
 
diff --git a/pcbnew/drc/drc_test_provider.h b/pcbnew/drc/drc_test_provider.h
index 208e6a5d29..a584bcddd5 100644
--- a/pcbnew/drc/drc_test_provider.h
+++ b/pcbnew/drc/drc_test_provider.h
@@ -1,7 +1,7 @@
 /*
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
- * Copyright (C) 2018-2023 KiCad Developers, see AUTHORS.txt for contributors.
+ * Copyright (C) 2018-2024 KiCad Developers, see AUTHORS.txt for contributors.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -110,7 +110,7 @@ protected:
 
     virtual void reportViolation( std::shared_ptr<DRC_ITEM>& item, const VECTOR2I& aMarkerPos,
                                   int aMarkerLayer );
-    virtual bool reportProgress( int aCount, int aSize, int aDelta );
+    virtual bool reportProgress( size_t aCount, size_t aSize, size_t aDelta = 1 );
     virtual bool reportPhase( const wxString& aStageName );
 
     virtual void reportRuleStatistics();
diff --git a/pcbnew/drc/drc_test_provider_connection_width.cpp b/pcbnew/drc/drc_test_provider_connection_width.cpp
index 2b05ae87df..ab9eacef3a 100644
--- a/pcbnew/drc/drc_test_provider_connection_width.cpp
+++ b/pcbnew/drc/drc_test_provider_connection_width.cpp
@@ -1,7 +1,7 @@
 /*
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
- * Copyright (C) 2022 KiCad Developers.
+ * Copyright (C) 2022-2024 KiCad Developers.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -844,7 +844,7 @@ bool DRC_TEST_PROVIDER_CONNECTION_WIDTH::Run()
 
         while( status != std::future_status::ready )
         {
-            m_drcEngine->ReportProgress( static_cast<double>( done ) / total_effort );
+            reportProgress( done, total_effort );
             status = ret.wait_for( std::chrono::milliseconds( 250 ) );
         }
     }
@@ -864,7 +864,7 @@ bool DRC_TEST_PROVIDER_CONNECTION_WIDTH::Run()
 
         while( status != std::future_status::ready )
         {
-            m_drcEngine->ReportProgress( static_cast<double>( done ) / total_effort );
+            reportProgress( done, total_effort );
             status = ret.wait_for( std::chrono::milliseconds( 250 ) );
         }
     }
diff --git a/pcbnew/drc/drc_test_provider_copper_clearance.cpp b/pcbnew/drc/drc_test_provider_copper_clearance.cpp
index 1d717768f5..ae2f4b559a 100644
--- a/pcbnew/drc/drc_test_provider_copper_clearance.cpp
+++ b/pcbnew/drc/drc_test_provider_copper_clearance.cpp
@@ -1,7 +1,7 @@
 /*
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
- * Copyright (C) 2004-2022 KiCad Developers.
+ * Copyright (C) 2004-2024 KiCad Developers.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -676,7 +676,7 @@ void DRC_TEST_PROVIDER_COPPER_CLEARANCE::testTrackClearances()
 
     while( done < count )
     {
-        m_drcEngine->ReportProgress( static_cast<double>( done ) / count );
+        reportProgress( done, count );
 
         if( m_drcEngine->IsCancelled() )
         {
@@ -1005,7 +1005,7 @@ void DRC_TEST_PROVIDER_COPPER_CLEARANCE::testPadClearances( )
 
     while( status != std::future_status::ready )
     {
-        m_drcEngine->ReportProgress( static_cast<double>( done ) / count );
+        reportProgress( done, count );
         status = retn.wait_for( std::chrono::milliseconds( 250 ) );
     }
 }
@@ -1157,7 +1157,7 @@ void DRC_TEST_PROVIDER_COPPER_CLEARANCE::testGraphicClearances( )
 
     while( status != std::future_status::ready )
     {
-        m_drcEngine->ReportProgress( static_cast<double>( done ) / count );
+        reportProgress( done, count );
         status = retn.wait_for( std::chrono::milliseconds( 250 ) );
     }
 }
@@ -1333,7 +1333,7 @@ void DRC_TEST_PROVIDER_COPPER_CLEARANCE::testZonesToZones()
         {
             result = task.wait_for( std::chrono::milliseconds( 250 ) );
 
-            m_drcEngine->ReportProgress( static_cast<double>( done ) / count );
+            reportProgress( done, count );
 
             if( m_drcEngine->IsCancelled() )
                 break;
diff --git a/pcbnew/drc/drc_test_provider_disallow.cpp b/pcbnew/drc/drc_test_provider_disallow.cpp
index 31a667a0f2..5052022b0e 100644
--- a/pcbnew/drc/drc_test_provider_disallow.cpp
+++ b/pcbnew/drc/drc_test_provider_disallow.cpp
@@ -1,7 +1,7 @@
 /*
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
- * Copyright (C) 2004-2022 KiCad Developers.
+ * Copyright (C) 2004-2024 KiCad Developers.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -176,7 +176,7 @@ bool DRC_TEST_PROVIDER_DISALLOW::Run()
 
         while( status != std::future_status::ready )
         {
-            m_drcEngine->ReportProgress( static_cast<double>( done ) / toCache.size() );
+            reportProgress( done, toCache.size() );
             status = ret.wait_for( std::chrono::milliseconds( 250 ) );
         }
     }
diff --git a/pcbnew/drc/drc_test_provider_sliver_checker.cpp b/pcbnew/drc/drc_test_provider_sliver_checker.cpp
index 5057aeb690..344de09212 100644
--- a/pcbnew/drc/drc_test_provider_sliver_checker.cpp
+++ b/pcbnew/drc/drc_test_provider_sliver_checker.cpp
@@ -1,7 +1,7 @@
 /*
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
- * Copyright (C) 2021-2022 KiCad Developers.
+ * Copyright (C) 2021-2024 KiCad Developers.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -174,8 +174,7 @@ bool DRC_TEST_PROVIDER_SLIVER_CHECKER::Run()
 
         while( status != std::future_status::ready )
         {
-            m_drcEngine->ReportProgress( static_cast<double>( zoneLayerCount ) / done );
-
+            reportProgress( zoneLayerCount, done );
             status = ret.wait_for( std::chrono::milliseconds( 250 ) );
         }
     }
diff --git a/pcbnew/drc/drc_test_provider_zone_connections.cpp b/pcbnew/drc/drc_test_provider_zone_connections.cpp
index 515732a1d5..e4a758b9fb 100644
--- a/pcbnew/drc/drc_test_provider_zone_connections.cpp
+++ b/pcbnew/drc/drc_test_provider_zone_connections.cpp
@@ -1,7 +1,7 @@
 /*
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
- * Copyright (C) 2021-2023 KiCad Developers.
+ * Copyright (C) 2021-2024 KiCad Developers.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -287,7 +287,7 @@ bool DRC_TEST_PROVIDER_ZONE_CONNECTIONS::Run()
 
         while( status != std::future_status::ready )
         {
-            m_drcEngine->ReportProgress( static_cast<double>( done ) / total_effort );
+            reportProgress( done, total_effort );
             status = ret.wait_for( std::chrono::milliseconds( 250 ) );
         }
     }