diff --git a/libsrc/c64/mouse.s b/libsrc/c64/mouse.s
index c65c6e2e7..23c228a7b 100644
--- a/libsrc/c64/mouse.s
+++ b/libsrc/c64/mouse.s
@@ -13,7 +13,7 @@
 
 	.import		_readjoy
        	.import	       	popax, addysp1
-   	.importzp   	ptr1, sp, sreg
+   	.importzp   	ptr1, sp
 
    	.include    	"c64.inc"