diff --git a/dlls/cryptdlg/main.c b/dlls/cryptdlg/main.c
index 04311fdb4fd..9124541be48 100644
--- a/dlls/cryptdlg/main.c
+++ b/dlls/cryptdlg/main.c
@@ -276,7 +276,7 @@ static HCERTCHAINENGINE CRYPTDLG_MakeEngine(CERT_VERIFY_CERTIFICATE_TRUST *cert)
     {
         trust = CertOpenStore(CERT_STORE_PROV_COLLECTION, 0, 0,
          CERT_STORE_CREATE_NEW_FLAG, NULL);
-        if (root)
+        if (trust)
         {
             for (i = 0; i < cert->cTrustStores; i++)
                 CertAddStoreToCollection(trust, cert->rghstoreTrust[i], 0, 0);