diff --git a/srcpkgs/libXfixes/template b/srcpkgs/libXfixes/template
index 9b5a2c0564..e070f86bd4 100644
--- a/srcpkgs/libXfixes/template
+++ b/srcpkgs/libXfixes/template
@@ -19,5 +19,6 @@ long_desc="
 subpackages="$pkgname-devel"
 Add_dependency build pkg-config
 Add_dependency build xproto
+Add_dependency build xextproto
 Add_dependency build fixesproto
 Add_dependency build libX11-devel