diff --git a/doc/Makefile b/doc/Makefile
index 81d7707541..c6632a573c 100644
--- a/doc/Makefile
+++ b/doc/Makefile
@@ -55,7 +55,7 @@ help:
 .PHONY: clean
 clean:
 	rm -rf $(BUILDDIR)/*
-	rm $(YAML_DOC_OUTPUT)
+	rm -f $(YAML_DOC_OUTPUT)
 
 .PHONY: html
 html: