diff --git a/TSRM/tsrm_win32.c b/TSRM/tsrm_win32.c
index 67742f0b389..4058636f0ef 100644
--- a/TSRM/tsrm_win32.c
+++ b/TSRM/tsrm_win32.c
@@ -170,13 +170,13 @@ PSID tsrm_win32_get_token_sid(HANDLE hToken)
 
 	/* ConvertSidToStringSid(pTokenUser->User.Sid, &ptcSidOwner); */
 	pResultSid = malloc(sid_len);
-
 	if (!pResultSid) {
 		goto Finished;
 	}
 	if (!CopySid(sid_len, pResultSid, pTokenUser->User.Sid)) {
 		goto Finished;
 	}
+	HeapFree(GetProcessHeap(), 0, (LPVOID)pTokenUser);
 	return pResultSid;
 
 Finished: