diff --git a/include/Makefile b/include/Makefile
index 24a923d1a..4bf2f3ee9 100644
--- a/include/Makefile
+++ b/include/Makefile
@@ -8,4 +8,4 @@ clean::
 install::
 	-rm -rf $(INC)
 	mkdir -p $(INC)
-	tar cf - `find . -name '*.h'` | (cd $(INC) && tar xvf -)
+	tar cf - `find . -name '*.h'` | (cd $(INC) && tar xf -)