diff --git a/zsnes/src/video/procvid.asm b/zsnes/src/video/procvid.asm
index f52c9a74..593af30b 100644
--- a/zsnes/src/video/procvid.asm
+++ b/zsnes/src/video/procvid.asm
@@ -1478,7 +1478,6 @@ NEWSYM drawfillboxsc16b
 
 NEWSYM drawbox
     ; draws a box according to position bl and color dl
-    STUB_ASM
     xor eax,eax
     mov al,11
     mul bl