diff --git a/new-testing/run_list.c b/new-testing/run_list.c
index 8961782e5dc1d2dcb00d70366912c33651715029..9c8a3e99e7fc6d3a8a4b3bb1c167f2e9ce83d049 100644
--- a/new-testing/run_list.c
+++ b/new-testing/run_list.c
@@ -927,5 +927,6 @@ run_print_line( const testing_t *test, const run_arg_list_t *arglist,
     }
 
     fprintf( stdout, "%s\n", str );
+    fflush(stdout);
     return;
 }