diff -up gnome-shell-2.91.6/src/shell-doc-system.c.gtk3 gnome-shell-2.91.6/src/shell-doc-system.c
--- gnome-shell-2.91.6/src/shell-doc-system.c.gtk3	2011-02-11 14:28:01.940113427 -0500
+++ gnome-shell-2.91.6/src/shell-doc-system.c	2011-02-11 14:27:38.853402050 -0500
@@ -254,7 +254,7 @@ shell_doc_system_open (ShellDocSystem *s
   else
     {
       char *app_name;
-#if GTK_MINOR_VERSION >= 18
+#if GTK_MAJOR_VERSION >= 3 || GTK_MINOR_VERSION >= 18
       const char *app_exec;
 #else
       char *app_exec;