diff --git a/src/or/main.c b/src/or/main.c
index 6c75c3976a..9f6bff67f6 100644
--- a/src/or/main.c
+++ b/src/or/main.c
@@ -1969,7 +1969,8 @@ tor_main(int argc, char *argv[])
 #ifdef USE_DMALLOC
   int r = CRYPTO_set_mem_ex_functions(_tor_malloc, _tor_realloc,
                                       _tor_dmalloc_free);
-  log_notice(LD_CONFIG, "Set up dmalloc; returned %d", r);
+  if (!r) {
+    log_warn("Couldn't configure openssl to use dmalloc functions.");
 #endif
 #ifdef NT_SERVICE
   {