diff --git a/zsnes/src/gui/guiwindp.inc b/zsnes/src/gui/guiwindp.inc
index 653ba4fb..18f29615 100644
--- a/zsnes/src/gui/guiwindp.inc
+++ b/zsnes/src/gui/guiwindp.inc
@@ -3717,7 +3717,7 @@ DisplayNetOptns:
     mov dword[GUINetDisp],'IPX '
     mov dword[GUINetDisp+4],'    '
     mov byte[GUINetDisp+8],0
-    cmp byte[per2exec],99
+    cmp byte[per2exec],100
     je .netokay
     mov dword[GUIwinsizex+8*4],7*16
     mov dword[GUIwinsizey+8*4],40