diff --git a/include/rom.sh b/include/rom.sh
index 65900a01..1c39979d 100644
--- a/include/rom.sh
+++ b/include/rom.sh
@@ -20,6 +20,8 @@ buildser()
 
 copyps1bios()
 {
+	[ "$dry" = ":" ] && return 0; :
+
 	remkdir "bin/playstation"
 	x_ cp src/pcsx-redux/src/mips/openbios/openbios.bin bin/playstation