diff --git a/tests/test-rollsum.c b/tests/test-rollsum.c
index e79c8956..c64943e7 100644
--- a/tests/test-rollsum.c
+++ b/tests/test-rollsum.c
@@ -41,7 +41,7 @@ main (int argc, char **argv)
   g_setenv ("GIO_USE_VFS", "local", TRUE);
 
   if (argc < 3)
-    exit (1);
+    exit (EXIT_FAILURE);
 
   from_path = argv[1];
   to_path = argv[2];