diff --git a/genProcessScript.py b/genProcessScript.py
index 0b47f076ad0f8cad4391f6b54232c14759816c3d..71010db3561c0a7a21100aacd844aca750aa9da1 100644
--- a/genProcessScript.py
+++ b/genProcessScript.py
@@ -74,7 +74,7 @@ def main(argv):
         f = open('ProcessMakefile', 'w')
         tot = len(valid_dirs_L8) + len(valid_dirs_S2) + len(valid_dirs_S2_THEIA) + len(valid_dirs_Venus)
         joblist = ['job%d' % j for j in range(1,tot+1)]
-        joball = ' '.join()
+        joball = ' '.join(joblist)
         f.write('all : ' + joball + '\n\n')
         for d in valid_dirs_L8:
             f.write(joblist.pop() + ' :\n')