diff --git a/TSRM/tsrm_win32.c b/TSRM/tsrm_win32.c
index 42a72946466..98ed806c714 100644
--- a/TSRM/tsrm_win32.c
+++ b/TSRM/tsrm_win32.c
@@ -623,7 +623,7 @@ TSRM_API int shmget(int key, int size, int flags)
 	shm = shm_get(key, NULL);
 	if (!shm) {
 		UnmapViewOfFile(shm_handle);
-		UnmapViewOfFile(shm_handle);
+		UnmapViewOfFile(info_handle);
 		return -1;
 	}
 	shm->segment = shm_handle;