Index: tkWindow.c
==================================================================
--- tkWindow.c
+++ tkWindow.c
@@ -179,10 +179,14 @@
 	    append msg \"need to\\ninstall CTk or set your CTK_LIBRARY \"\n\
 	    append msg \"environment variable?\"\n\
 	    error $msg\n\
 	}";
     int retval;
+
+#ifdef USE_TCL_STUBS
+    Tcl_InitStubs(interp, "8", 0);
+#endif
 
 #ifdef USE_TCL_STUBS
     winPtr = Tk_CreateMainWindow(interp, NULL, "ctk", "ctk");
     if (winPtr == NULL) {
         return(TCL_ERROR);