diff --git a/srcpkgs/xfce4-session/template b/srcpkgs/xfce4-session/template
index 533a24cd10..f5ea00f2a7 100644
--- a/srcpkgs/xfce4-session/template
+++ b/srcpkgs/xfce4-session/template
@@ -6,7 +6,7 @@ build_style=gnu-configure
 configure_args="--disable-static --enable-libgnome-keyring"
 makedepends="pkg-config intltool libxfce4ui-devel gtk+-devel
  xfconf-devel dbus-glib-devel libwnck2-devel xfce4-panel-devel
- libgnome-keyring-devel iceauth"
+ libgnome-keyring-devel libSM-devel iceauth"
 short_desc="Xfce session manager"
 maintainer="Juan RP <xtraeme@gmail.com>"
 license="GPL-2"