diff --git a/src/server/server-config.c b/src/server/server-config.c
index 4b36ce9b97121c73e9c166a921f97469179601cc..bb4c47dc5665522a883fad13cde73c625517d285 100644
--- a/src/server/server-config.c
+++ b/src/server/server-config.c
@@ -100,3 +100,6 @@ const int MAXQUEUEDSIZE = 300;
 
 /* Max entries in the per-client transmit queue to send at any one time */
 const int MAXDEQUEUELEN = 10;
+
+/* What is whitespace? */
+const unsigned char *WHITESPACE = (const unsigned char *)" \t\f\n";