diff --git a/eeschema/dialogs/panel_setup_pinmap.cpp b/eeschema/dialogs/panel_setup_pinmap.cpp
index 7a7a30e6d8..e0d8db8c92 100644
--- a/eeschema/dialogs/panel_setup_pinmap.cpp
+++ b/eeschema/dialogs/panel_setup_pinmap.cpp
@@ -83,7 +83,7 @@ void PANEL_SETUP_PINMAP::reBuildMatrixPanel()
 #ifdef __WXMAC__
     bitmapSize += { 4, 2 };
 #else
-    bitmapSize += { 2, 1 };
+    bitmapSize += { 3, 2 };
 #endif
 
     if( !m_initialized )