diff --git a/src/server/simpleslave.c b/src/server/simpleslave.c
--- a/src/server/simpleslave.c
+++ b/src/server/simpleslave.c
@@ -158,7 +158,7 @@ int main(int argc, char *argv[])
         if(downloadTar(urltoTar, pathtoTar))
           return 1;
 
-        unpackJob(pathtoTar, jobnum);
+        unpackJob(datadir, pathtoTar);
 
         /* Execute blender */
         if(exec_blender(pathtoJobfile, pathtoOutput, framenum))