diff --git a/Modules/FindX11.cmake b/Modules/FindX11.cmake
index d480fc4803..fd5ee53954 100644
--- a/Modules/FindX11.cmake
+++ b/Modules/FindX11.cmake
@@ -828,6 +828,12 @@ if (UNIX)
     X11_Xau_INCLUDE_PATH
     X11_xcb_LIB
     X11_xcb_INCLUDE_PATH
+    X11_xcb_icccm_LIB
+    X11_xcb_icccm_INCLUDE_PATH
+    X11_xcb_util_LIB
+    X11_xcb_util_INCLUDE_PATH
+    X11_xcb_xfixes_LIB
+    X11_xcb_xfixes_INCLUDE_PATH
     X11_xcb_xkb_LIB
     X11_X11_xcb_LIB
     X11_X11_xcb_INCLUDE_PATH