diff --git a/tests/auc/auc_3g_test.c b/tests/auc/auc_3g_test.c
index f8ff67a..51184c5 100644
--- a/tests/auc/auc_3g_test.c
+++ b/tests/auc/auc_3g_test.c
@@ -69,7 +69,6 @@
 
 #define VEC_IS(vec, expect) do { \
 		char *_is = vec_str(vec); \
-		fprintf(stderr, "auth vector ==\n%s\n", _is); \
 	        if (strcmp(_is, expect)) { \
 			fprintf(stderr, "MISMATCH! expected ==\n%s\n", \
 				expect); \
@@ -84,7 +83,8 @@
 				} \
 			} \
 			OSMO_ASSERT(false); \
-		} \
+		} else \
+			fprintf(stderr, "vector matches expectations\n"); \
 	} while (0)
 
 uint8_t fake_rand[16] = { 0 };