diff --git a/src/server/slavefuncs.h b/src/server/slavefuncs.h
--- a/src/server/slavefuncs.h
+++ b/src/server/slavefuncs.h
@@ -73,7 +73,7 @@ struct _web_memorystruct _web_getrequest
 void _web_finishframe(int slavekey, char *slavepass, int jobnum, int framenum);
 void _web_startframe(int slavekey, char *slavepass, int jobnum, int framenum);
 void _web_resetframe(int slavekey, char *slavepass, int jobnum, int framenum);
-int _web_getwork(int slavekey, char *slavepass, int *jobnum, int *framenum, int *xres, int *yres, char *outputext);
+int _web_getwork(int slavekey, char *slavepass, int *jobnum, int *framenum, int *xres, int *yres, char **outputext);
 void _web_setrenderpower(int slavekey, char *slavepass, int renderpower);
 int slaveBenchmark(char *datadir, int *benchmarkTime, int *renderPower);