diff --git a/ChangeLog b/ChangeLog
index bb1f3d55f6..f8f94e8246 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Oct 14 02:29:31 2003  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* eval.c (rb_require_safe): segfault after loading .so.
+
 Tue Oct 14 02:05:23 2003  Akinori MUSHA  <knu@iDaemons.org>
 
 	* ext/Setup*, ext/enumerator/*: Add ext/enumerator, a helper
@@ -20,8 +24,6 @@ Mon Oct 13 23:57:29 2003  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* intern.h: prototypes; rb_require_safe.
 
-Mon Oct 13 23:57:29 2003  Nobuyoshi Nakada  <nobu@ruby-lang.org>
-
 	* test/runner.rb: accept non-option arguments.
 
 Mon Oct 13 20:49:51 2003  Yukihiro Matsumoto  <matz@ruby-lang.org>
diff --git a/eval.c b/eval.c
index 0c64af5f8e..928cd37957 100644
--- a/eval.c
+++ b/eval.c
@@ -6062,9 +6062,8 @@ rb_require_safe(fname, safe)
 	ruby_safe_level = safe;
 	found = search_required(fname, &feature, &path);
 	if (found) {
-	    ftptr = RSTRING(feature)->ptr;
 	    if (!path) {
-		load_wait(ftptr);
+		load_wait(RSTRING(feature)->ptr);
 		result = Qfalse;
 	    }
 	    else {
@@ -6077,9 +6076,9 @@ rb_require_safe(fname, safe)
 			loading_tbl = st_init_strtable();
 		    }
 		    /* partial state */
-		    st_insert(loading_tbl,
-			      (st_data_t)(ftptr = ruby_strdup(ftptr)),
-			      (st_data_t)curr_thread);
+		    ftptr = ruby_strdup(RSTRING(feature)->ptr);
+		    st_insert(loading_tbl, (st_data_t)ftptr,
+			      (st_data_t)(mutex = rb_thread_mutex_new(Qtrue)));
 		    if (feature == fname && !OBJ_FROZEN(feature)) {
 			feature = rb_str_dup(feature);
 			OBJ_FREEZE(feature);