diff --git a/pcbnew/drc/drc_test_provider_copper_clearance.cpp b/pcbnew/drc/drc_test_provider_copper_clearance.cpp
index 6dffa49163..8fdeff31c0 100644
--- a/pcbnew/drc/drc_test_provider_copper_clearance.cpp
+++ b/pcbnew/drc/drc_test_provider_copper_clearance.cpp
@@ -642,7 +642,7 @@ bool DRC_TEST_PROVIDER_COPPER_CLEARANCE::testPadAgainstItem( PAD* pad, SHAPE* pa
 
 void DRC_TEST_PROVIDER_COPPER_CLEARANCE::testPadClearances( )
 {
-    const int delta = 25;  // This is the number of tests between 2 calls to the progress bar
+    const int delta = 50;  // This is the number of tests between 2 calls to the progress bar
 
     size_t count = 0;
 
diff --git a/pcbnew/drc/drc_test_provider_silk_clearance.cpp b/pcbnew/drc/drc_test_provider_silk_clearance.cpp
index 3dc18c79dc..562d5fb0f3 100644
--- a/pcbnew/drc/drc_test_provider_silk_clearance.cpp
+++ b/pcbnew/drc/drc_test_provider_silk_clearance.cpp
@@ -83,7 +83,7 @@ private:
 bool DRC_TEST_PROVIDER_SILK_CLEARANCE::Run()
 {
     // This is the number of tests between 2 calls to the progress bar
-    const int delta = 250;
+    const int delta = 1000;
 
     m_board = m_drcEngine->GetBoard();