diff --git a/tools/ftditools/Makefile b/tools/ftditools/Makefile
index d52b445e1..0e07771ae 100644
--- a/tools/ftditools/Makefile
+++ b/tools/ftditools/Makefile
@@ -7,4 +7,4 @@ CFLAGS = -Wall -Wextra #-Werror
 all: $(TARGETS)
 
 clean:
-	rm $(TARGETS)
+	-rm $(TARGETS)