diff --git a/xdm.spec b/xdm.spec
index ff247fc..54fb74d 100644
--- a/xdm.spec
+++ b/xdm.spec
@@ -60,6 +60,7 @@ BuildRequires:  pkgconfig(xmu)
 BuildRequires:  pkgconfig(xorg-macros) >= 1.4
 BuildRequires:  pkgconfig(xpm)
 BuildRequires:  pkgconfig(xt)
+BuildRequires:  pkgconfig(xtrans)
 Requires:       ConsoleKit
 Requires:       logrotate
 Requires:       sessreg