diff --git a/src/server/distrend.c b/src/server/distrend.c
--- a/src/server/distrend.c
+++ b/src/server/distrend.c
@@ -53,6 +53,7 @@
 #include "execio.h"
 #include "options.h"
 #include "blendjob.h"
+#include "protocol.h"
 
 #include <confuse.h>
 #include <stdio.h>
@@ -483,6 +484,8 @@ int main(int argc, char *argv[])
   while(cont)
     {
       struct distren_action *action;
+      int clientsays; /*< temporary example variable, will be replaced when we can handle messages */
+      int framenumprevious; /*< @TODO why is this variable used?  */
 
       distrend_accept(&action);
       cont = distrend_do(action);