diff --git a/storage/innobase/trx/trx0undo.c b/storage/innobase/trx/trx0undo.c
index 2aa7752d2926633d5b9db3a5cffcf229d8907f42..b31580d0ce03f43a36cb9be70c814f6a1a121dbc 100644
--- a/storage/innobase/trx/trx0undo.c
+++ b/storage/innobase/trx/trx0undo.c
@@ -410,7 +410,7 @@ trx_undo_seg_create(
 	if (slot_no == ULINT_UNDEFINED) {
 		ut_print_timestamp(stderr);
 		fprintf(stderr,
-			"InnoDB: Warning: cannot find a free slot for"
+			"  InnoDB: Warning: cannot find a free slot for"
 			" an undo log. Do you have too\n"
 			"InnoDB: many active transactions"
 			" running concurrently?\n");