--- tests/makefile.orig	2026-04-12 17:17:27 UTC
+++ tests/makefile
@@ -106,9 +106,9 @@ giffix-rebuild:
 
 giffix-rebuild:
 	@echo "Rebuilding giffix test."
-	@head --bytes=-20 <$(PICS)/treescap.gif | $(UTILS)/giffix 2>/dev/null | $(UTILS)/gifbuild -d >giffixed.ico
+	@ghead --bytes=-20 <$(PICS)/treescap.gif | $(UTILS)/giffix 2>/dev/null | $(UTILS)/gifbuild -d >giffixed.ico
 giffix-regress:
-	@head --bytes=-20 <$(PICS)/treescap.gif | $(UTILS)/giffix 2>/dev/null | $(UTILS)/gifbuild -d | ./tapdiffer "giffix: Testing giffix behavior" giffixed.ico
+	@ghead --bytes=-20 <$(PICS)/treescap.gif | $(UTILS)/giffix 2>/dev/null | $(UTILS)/gifbuild -d | ./tapdiffer "giffix: Testing giffix behavior" giffixed.ico
 
 gifinto-regress:
 	@rm -f $@.giflib.tmp