diff --git a/srcpkgs/fakeroot/template b/srcpkgs/fakeroot/template
index b56fea7f19e..46b0b07183e 100644
--- a/srcpkgs/fakeroot/template
+++ b/srcpkgs/fakeroot/template
@@ -39,7 +39,7 @@ post_patch() {
 		#ls doesn't report owner as root
 		vsed -i test/Makefile.am \
 			-e '/  t\.touchinstall/d'
-		vsed -i -i configure.ac \
+		vsed -i configure.ac \
 			-e 's/__${PRE}x${FUNC} _${PRE}x${FUNC} __${PRE}${FUNC}13 ${PRE}${FUNC}/${PRE}${FUNC}/'
 	fi
 }