1 files changed, 2 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 8e98d06b..cd11913f 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,8 @@ MD5 := md5sum -c --quiet
 .SUFFIXES:
 .PHONY: all clean gold silver pngs compare
 .SECONDEXPANSION:
-.PRECIOUS: %.2bpp %.1bpp
+.PRECIOUS:
+.SECONDARY:
 
 gfx       := $(PYTHON) gfx.py
 includes  := $(PYTHON) scan_includes.py