diff --git a/src/server/simpleslave.c b/src/server/simpleslave.c
--- a/src/server/simpleslave.c
+++ b/src/server/simpleslave.c
@@ -153,10 +153,12 @@ int main(int argc, char *argv[])
         fprintf(stderr, "Preparing to render frame %d in job %d\n", framenum, jobnum);
 
         prepareJobPaths(jobnum, framenum, outputExt, datadir, &urltoTar, &pathtoTar, &pathtoJobfile, &urltoOutput, &pathtoOutput);
-        free(outputExt);
+        // free(outputExt);
 
         if(downloadTar(urltoTar, pathtoTar))
           return 1;
+        else
+          fprintf(stderr,"Got data tarball\n");
 
         unpackJob(datadir, pathtoTar);