diff --git a/emul/Makefile b/emul/Makefile
index 14e172b..e47bc08 100644
--- a/emul/Makefile
+++ b/emul/Makefile
@@ -22,6 +22,8 @@ all: $(TARGETS)
 
 $(BLKPACK):
 	$(MAKE) -C ../tools
+
+.PHONY: $(STRIPFC) $(SLATEST) $(BIN2C)
 $(STRIPFC): $(BLKPACK)
 $(SLATEST): $(BLKPACK)
 $(BIN2C): $(BLKPACK)