diff --git a/src/propgrid/propgrid.cpp b/src/propgrid/propgrid.cpp
index c99c8e63c2..67ac880631 100644
--- a/src/propgrid/propgrid.cpp
+++ b/src/propgrid/propgrid.cpp
@@ -2368,7 +2368,7 @@ int wxPropertyGrid::DoDrawItems( wxDC& dc,
             cellRect.x += 1;
         }
 
-        int firstCellWidth = colWidths[0] - (greyDepthX - m_marginWidth);
+        int firstCellWidth = colWidths[0] - (greyDepth - m_marginWidth);
         int firstCellX = cellRect.x;
 
         // Calculate cellRect.x for the last cell