diff --git a/.emacs.d/lisp/init-cc.el b/.emacs.d/lisp/init-cc.el
index 3f24aec4..823265f9 100644
--- a/.emacs.d/lisp/init-cc.el
+++ b/.emacs.d/lisp/init-cc.el
@@ -6,10 +6,12 @@
   (ambrevar/define-keys map "C-c m" 'cc-main
                         "<f5>" 'ambrevar/cc-clean
                         "M-." 'semantic-ia-fast-jump
-                        "C-c C-d" 'semantic-ia-show-summary
+                        "C-c C-d" 'semantic-ia-show-doc
                         "M-<tab>" 'semantic-complete-analyze-inline)
   (when (require 'company nil t)
-    (define-key map (kbd "M-<tab>") (if (require 'helm-company nil t) 'helm-company 'company-complete))))
+    (define-key map (kbd "M-<tab>") (if (require 'helm-company nil t) 'helm-company 'company-complete)))
+  (when (require 'gtk-look nil 'noerror)
+    (define-key map (kbd "C-c d") 'gtk-lookup-symbol)))
 ;; (define-key map (kbd "C-c o") 'ff-find-other-file)
 
 (defvaralias 'c-basic-offset 'tab-width)