diff --git a/libsrc/cbm510/waitvsync.s b/libsrc/cbm510/waitvsync.s
index bd631e4d6..db6c16179 100644
--- a/libsrc/cbm510/waitvsync.s
+++ b/libsrc/cbm510/waitvsync.s
@@ -8,10 +8,7 @@
         .include        "cbm510.inc"
 
 _waitvsync:
-        rts     ; FIXME
-
-        jsr	sys_bank		; Switch to the system bank
-
+        jsr sys_bank        ; Switch to the system bank
         sei
 
         ldy #VIC_CTRL1