diff --git a/google-c-style.el b/google-c-style.el
index 9bb12c6..6028c3a 100644
--- a/google-c-style.el
+++ b/google-c-style.el
@@ -97,6 +97,7 @@ Suitable for inclusion in `c-offsets-alist'."
         c-semi&comma-no-newlines-before-nonblanks))
     (c-indent-comments-syntactically-p . t)
     (comment-column . 40)
+    (fill-column . 80)
     (c-indent-comment-alist . ((other . (space . 2))))
     (c-cleanup-list . (brace-else-brace
                        brace-elseif-brace