diff --git a/src/server/slavefuncs.c b/src/server/slavefuncs.c
--- a/src/server/slavefuncs.c
+++ b/src/server/slavefuncs.c
@@ -22,6 +22,7 @@
   * distrenslave -c username email@example.com
  */
 #include "blendjob.h"
+#include "execio.h"
 
 #include <stdio.h>
 #include <string.h>