diff --git a/src/switch_apr.c b/src/switch_apr.c
index e2e33554b7..73d0197e19 100644
--- a/src/switch_apr.c
+++ b/src/switch_apr.c
@@ -74,7 +74,7 @@ SWITCH_DECLARE(switch_thread_id_t) switch_thread_self(void)
 #ifndef WIN32
 	return apr_os_thread_current();
 #else
-	return (GetCurrentThreadId());
+	return (switch_thread_id_t)(GetCurrentThreadId());
 #endif
 }