diff --git a/ChangeLog b/ChangeLog
index f370e99eba..873227cbd6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Apr 10 15:53:17 2007  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* thread_pthread.ci (native_thread_create): initialize sleep_cond.
+	  fixed: [ruby-dev:30675]
+
 Mon Apr  9 18:48:57 2007  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* thread.c (do_select): ubf_select() is not necessary. interrupt is
diff --git a/thread_pthread.ci b/thread_pthread.ci
index 595bb8e8fb..34bb5362b9 100644
--- a/thread_pthread.ci
+++ b/thread_pthread.ci
@@ -247,7 +247,10 @@ native_thread_create(rb_thread_t *th)
 	thread_debug("create: %p (%d)", th, err);
 	CHECK_ERR(pthread_attr_destroy(&attr));
 
-	if (err != 0) {
+	if (!err) {
+	    pthread_cond_init(&th->native_thread_data.sleep_cond, 0);
+	}
+	else {
 	    st_delete_wrap(th->vm->living_threads, th->self);
 	    th->status = THREAD_KILLED;
 	    rb_raise(rb_eThreadError, "can't create Thread (%d)", err);
diff --git a/version.h b/version.h
index 74d086dadb..db0b969619 100644
--- a/version.h
+++ b/version.h
@@ -1,7 +1,7 @@
 #define RUBY_VERSION "1.9.0"
-#define RUBY_RELEASE_DATE "2007-04-09"
+#define RUBY_RELEASE_DATE "2007-04-10"
 #define RUBY_VERSION_CODE 190
-#define RUBY_RELEASE_CODE 20070409
+#define RUBY_RELEASE_CODE 20070410
 #define RUBY_PATCHLEVEL 0
 
 #define RUBY_VERSION_MAJOR 1
@@ -9,7 +9,7 @@
 #define RUBY_VERSION_TEENY 0
 #define RUBY_RELEASE_YEAR 2007
 #define RUBY_RELEASE_MONTH 4
-#define RUBY_RELEASE_DAY 9
+#define RUBY_RELEASE_DAY 10
 
 RUBY_EXTERN const char ruby_version[];
 RUBY_EXTERN const char ruby_release_date[];