diff --git a/pcbnew/pcbframe.cpp b/pcbnew/pcbframe.cpp
index 16ba1a033b..e0055df472 100644
--- a/pcbnew/pcbframe.cpp
+++ b/pcbnew/pcbframe.cpp
@@ -663,6 +663,11 @@ void PCB_EDIT_FRAME::UseGalCanvas( bool aEnable )
 {
     PCB_BASE_EDIT_FRAME::UseGalCanvas( aEnable );
 
+    if( aEnable && GetBoard() )
+        GetBoard()->GetRatsnest()->ProcessBoard();
+    else
+        Compile_Ratsnest( NULL, true );
+
     enableGALSpecificMenus();
 }