diff --git a/Makefile b/Makefile
index 8cdbe2d638..5cc485c118 100644
--- a/Makefile
+++ b/Makefile
@@ -32,7 +32,7 @@ MD5 := md5sum -c --quiet
 # The compare target is a shortcut to check that the build matches the original roms exactly.
 # This is for contributors to make sure a change didn't affect the contents of the rom.
 # More thorough comparison can be made by diffing the output of hexdump -C against both roms.
-compare:
+compare: red blue
 	@$(MD5) roms.md5