diff --git a/testsuite/yarrow-test.c b/testsuite/yarrow-test.c
index cd9228e04b5898ba77c952046be6893809e8a7a0..aff530eb42ee86090d88ceeb95f8b17e52f291b7 100644
--- a/testsuite/yarrow-test.c
+++ b/testsuite/yarrow-test.c
@@ -180,10 +180,13 @@ main(int argc, char **argv)
 
   fprintf(stderr, "\n\nseeded: %s\n", yarrow.seeded ? "yes": "no");
   
-  fprintf(stderr, "source 0 entropy: %d\n",
-          sources[0].estimate[YARROW_SLOW]);
-  fprintf(stderr, "source 1 entropy: %d\n",
-          sources[1].estimate[YARROW_SLOW]);
-  
+  fprintf(stderr, "source 0, (fast, slow) entropy: (%d, %d)\n",
+          sources[0].estimate[YARROW_FAST],
+          sources[0].estimate[YARROW_SLOW]); 
+
+  fprintf(stderr, "source 1, (fast, slow) entropy: (%d, %d)\n",
+          sources[1].estimate[YARROW_FAST],
+          sources[1].estimate[YARROW_SLOW]); 
+
   return EXIT_SUCCESS;
 }