diff --git a/src/server/slavefuncs.c b/src/server/slavefuncs.c
--- a/src/server/slavefuncs.c
+++ b/src/server/slavefuncs.c
@@ -21,6 +21,8 @@
   * Registration on server. Needs attention. Prevent account spamming.
   * distrenslave -c username email@example.com
  */
+
+#include "slavefuncs.h"
 #include "blendjob.h"
 #include "execio.h"