diff --git a/gtk2_prefs/trunk/gtk2_prefs/src/main.cpp b/gtk2_prefs/trunk/gtk2_prefs/src/main.cpp
index 2048adef..8c2708dc 100644
--- a/gtk2_prefs/trunk/gtk2_prefs/src/main.cpp
+++ b/gtk2_prefs/trunk/gtk2_prefs/src/main.cpp
@@ -14,6 +14,7 @@
 #include <iostream>
 #include <fstream>
 #include <stdlib.h>
+#include <string.h>
 #include <sstream>
 #include <gtk/gtk.h>