Index: generic/tkPack.c
==================================================================
--- generic/tkPack.c
+++ generic/tkPack.c
@@ -1361,10 +1361,13 @@
      * If we have emptied this master from slaves it means we are no longer
      * handling it and should mark it as free.
      */
 
     if (masterPtr->slavePtr == NULL && masterPtr->flags & ALLOCED_MASTER) {
+	if (!(masterPtr->flags & DONT_PROPAGATE)) {
+	    Tk_GeometryRequest(masterPtr->tkwin, 0, 0);
+	}
 	TkFreeGeometryMaster(masterPtr->tkwin, "pack");
 	masterPtr->flags &= ~ALLOCED_MASTER;
     }
 
 }