diff --git a/pcbnew/dialogs/dialog_graphic_item_properties.cpp b/pcbnew/dialogs/dialog_graphic_item_properties.cpp
index d63fa6cbdd..4abb7bd500 100644
--- a/pcbnew/dialogs/dialog_graphic_item_properties.cpp
+++ b/pcbnew/dialogs/dialog_graphic_item_properties.cpp
@@ -437,7 +437,7 @@ bool DIALOG_GRAPHIC_ITEM_PROPERTIES::Validate()
 
     case SHAPE_T::CIRCLE:
         // Check radius.
-        if( m_startX.GetValue() == m_endX.GetValue() && m_startY.GetValue() == m_endY.GetValue() )
+        if( m_endX.GetValue() == 0 )
             error_msgs.Add( _( "The radius cannot be zero." ) );
         break;