diff --git a/pcbnew/dialogs/dialog_drc.cpp b/pcbnew/dialogs/dialog_drc.cpp
index 295bc75359..e0297edcd1 100644
--- a/pcbnew/dialogs/dialog_drc.cpp
+++ b/pcbnew/dialogs/dialog_drc.cpp
@@ -190,10 +190,13 @@ void DIALOG_DRC::OnActivateDlg( wxActivateEvent& aEvent )
 
 bool DIALOG_DRC::updateUI()
 {
-    double cur = std::clamp( (double) m_progress.load() / m_maxProgress, 0.0, 1.0 );
+    if( m_maxProgress != 0 )
+    {
+        double cur = std::clamp( (double) m_progress.load() / m_maxProgress, 0.0, 1.0 );
 
-    int newValue = KiROUND( cur * 1000.0 );
-    m_gauge->SetValue( newValue );
+        int newValue = KiROUND( cur * 1000.0 );
+        m_gauge->SetValue( newValue );
+    }
 
     // There is significant overhead on at least Windows when updateUi is called constantly thousands of times
     // in the drc process and safeyieldfor is called each time.