diff --git a/embedding/browser/gtk/src/gtkmozembed.cpp b/embedding/browser/gtk/src/gtkmozembed.cpp
index 714df6e20c2d..f9420026e008 100644
--- a/embedding/browser/gtk/src/gtkmozembed.cpp
+++ b/embedding/browser/gtk/src/gtkmozembed.cpp
@@ -20,6 +20,7 @@
  *   Ramiro Estrugo <ramiro@eazel.com>
  */
 #include <stdlib.h>
+#include <time.h>
 #include "gtkmozembed.h"
 #include "nsIWebBrowser.h"
 #include "nsCWebBrowser.h"