diff --git a/emacs/.spacemacs b/emacs/.spacemacs
index 109a60b..2fd41c4 100644
--- a/emacs/.spacemacs
+++ b/emacs/.spacemacs
@@ -58,7 +58,9 @@ This function should only modify configuration layer settings."
      (cmake :variables cmake-enable-cmake-ide-support 't)
      (c-c++ :variables
             c-c++-enable-clang-support 't
-            c-c++-default-mode-for-headers 'c++-mode)
+            c-c++-default-mode-for-headers 'c++-mode
+            c-c++-backend 'rtags
+            c-c++-enable-rtags-completion nil)
      java
      shell-scripts
      spacemacs-layouts