diff --git a/srcpkgs/mono/template b/srcpkgs/mono/template
index 93f69667502..1acb23859e0 100644
--- a/srcpkgs/mono/template
+++ b/srcpkgs/mono/template
@@ -2,6 +2,7 @@
 pkgname=mono
 version=4.0.1.44
 revision=1
+wrksrc="mono-${version%.*}"
 lib32disabled=yes
 build_style=gnu-configure
 configure_args="--disable-static --disable-system-aot"