diff --git a/src/conio/genmap.c b/src/conio/genmap.c
index 35d87eece11dd691901f7e01d063c776f954322d..1473a1fc7b92920f24b47d5e5e8d0c8e691be226 100644
--- a/src/conio/genmap.c
+++ b/src/conio/genmap.c
@@ -85,7 +85,7 @@ main(int argc, char **argv)
 	    "%sr2y:\n"
 	    "	.incbin \"%s/r2y.bin\"\n"
 	    "%sy2r:\n"
-	    "	.incbin \"%s/y2r.bin\"\n", mangle, mangle, argv[2], mangle, argv[2], mangle);
+	    "	.incbin \"%s/y2r.bin\"\n", mangle, mangle, mangle, argv[2], mangle, argv[2]);
 	fprintf(h,
 	    "#ifndef RGBMAP_H\n"
 	    "#define RGBMAP_H\n"