diff --git a/eeschema/dialogs/dialog_erc.cpp b/eeschema/dialogs/dialog_erc.cpp
index 33151c5e5c..47d02d0965 100644
--- a/eeschema/dialogs/dialog_erc.cpp
+++ b/eeschema/dialogs/dialog_erc.cpp
@@ -458,6 +458,9 @@ void DIALOG_ERC::OnRunERCClick( wxCommandEvent& event )
         wxMilliSleep( 500 );
         m_runningResultsBook->ChangeSelection( 1 );
         KIPLATFORM::UI::ForceFocus( m_notebook );
+
+        // now re-enable m_sdbSizerOK button
+        m_sdbSizer1OK->Enable( true );
     }
 
     m_ercRun = true;
diff --git a/pcbnew/dialogs/dialog_drc.cpp b/pcbnew/dialogs/dialog_drc.cpp
index f76e83f41c..27355155ed 100644
--- a/pcbnew/dialogs/dialog_drc.cpp
+++ b/pcbnew/dialogs/dialog_drc.cpp
@@ -344,6 +344,9 @@ void DIALOG_DRC::OnRunDRCClick( wxCommandEvent& aEvent )
         wxMilliSleep( 500 );
         m_runningResultsBook->ChangeSelection( 1 );
         KIPLATFORM::UI::ForceFocus( m_Notebook );
+
+        // now re-enable m_sdbSizerOK button
+        m_sdbSizerOK->Enable( true );
     }
 
     refreshEditor();