diff --git a/gui_internals.c b/gui_internals.c
index fdfe8c5..7484aff 100644
--- a/gui_internals.c
+++ b/gui_internals.c
@@ -35,18 +35,18 @@ int update_internals(WINDOW *win,struct simdata_t *simdata){
 			break;
 		default:
 			graph_height=1;
-			graph_height=41;
+			graph_width=41;
 			break;
 	}
 	int starty,startx,boxwidth;
 	starty=height/2-graph_height/2;
 	startx=width/2-graph_width/2;
 
+	int fetch_arrow_enter_y;
+	int decode_arrow_exit_y;
+	int exec_arrow_y;
 	switch(simdata->cpu_structure){
 		case CPU_STRUCTURE_SIMPLE_PIPELINED:
-			int fetch_arrow_enter_y;
-			int decode_arrow_exit_y;
-			int exec_arrow_y;
 			boxwidth=50;
 
 			/* FETCH BOX */