diff --git a/Makefile b/Makefile
index f2f6429..814cd08 100644
--- a/Makefile
+++ b/Makefile
@@ -10,10 +10,10 @@ debug: all
 	gdb $(BIN)
 
 $(BIND):
-	mkdir $@
+	mkdir -p -- $@
 
 $(BIN): $(wildcard src/*.c)
 	cc -g -Wall -Wextra -Werror -o $@ $^
 
 clean:
-	rm -f $(wildcard $(BIND)/*)
+	rm -f -- $(wildcard $(BIND)/*)