diff --git a/src/messages.c b/src/messages.c
index 64daf7f3..667cab54 100644
--- a/src/messages.c
+++ b/src/messages.c
@@ -21,6 +21,8 @@
  * MA 02111-1307, USA.
  */
 
+#include "config.h"
+
 #include <string.h>
 #include <stdlib.h>