diff --git a/src/server/slavefuncs.h b/src/server/slavefuncs.h
--- a/src/server/slavefuncs.h
+++ b/src/server/slavefuncs.h
@@ -48,7 +48,7 @@ int distren_mkdir_recurse(char *dirname)
 int job_build_path(char *filename, unsigned int jobnum);
 int downloadTar(char *url, char *destinationPath);
 int uploadOutput(char *pathtoOutput, char *urltoOutput, int jobnum, int framenum, int slavekey);
-int unpackJob(char *pathtoTar, int jobnum);
+int unpackJob(char *outdir, char *pathtoTar);
 void prepareJobPaths(int jobnum, int framenum, char *outputExt, char *datadir, char **urltoTar,char **pathtoTar,char **pathtoJobfile,char **urltoOutput,char **pathtoOutput);
 int checkUsername(char *username);
 void slaveTest();