2 files changed, 3 insertions, 0 deletions
diff --git a/Misc/NEWS b/Misc/NEWS
index e88311f8ed..9b3f3814bd 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -177,6 +177,8 @@ Core and builtins
 Extension Modules
 -----------------
 
+- Bug #1344508, Fix UNIX mmap leaking file descriptors
+
 - Patch #1338314, Bug #1336623: fix tarfile so it can extract
   REGTYPE directories from tarfiles written by old programs.
 
diff --git a/Modules/mmapmodule.c b/Modules/mmapmodule.c
index dd7c16f8a6..73797cb5fe 100644
--- a/Modules/mmapmodule.c
+++ b/Modules/mmapmodule.c
@@ -99,6 +99,7 @@ mmap_object_dealloc(mmap_object *m_obj)
 #endif /* MS_WINDOWS */
 
 #ifdef UNIX
+	close(m_obj->fd);
 	if (m_obj->data!=NULL) {
 		msync(m_obj->data, m_obj->size, MS_SYNC);
 		munmap(m_obj->data, m_obj->size);