diff --git a/dlls/advapi32/crypt.c b/dlls/advapi32/crypt.c
index 833a40c1ba1..35c1251896a 100644
--- a/dlls/advapi32/crypt.c
+++ b/dlls/advapi32/crypt.c
@@ -677,6 +677,7 @@ BOOL WINAPI CryptCreateHash (HCRYPTPROV hProv, ALG_ID Algid, HCRYPTKEY hKey,
 
 	/* CSP error! */
 	CRYPT_Free(hash);
+	*phHash = 0;
 	return FALSE;
 }