diff --git a/docs/Makefile b/docs/Makefile
index c03d22370..a9d8abda3 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -49,7 +49,7 @@ help:
 	@echo "  coverage   to run coverage check of the documentation (if enabled)"
 
 clean:
-	rm -rf $(BUILDDIR)/*
+	rm -rf $(BUILDDIR)
 
 html:
 	$(SPHINXBUILD) -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html