1 files changed, 3 insertions, 0 deletions
diff --git a/version.c b/version.c
index 573cf619bd..b2a4d2d25e 100644
--- a/version.c
+++ b/version.c
@@ -78,6 +78,9 @@ void
 ruby_show_version(void)
 {
     PRINT(description);
+#ifdef HAVE_MALLOC_CONF
+    if (malloc_conf) printf("malloc_conf=%s\n", malloc_conf);
+#endif
     fflush(stdout);
 }