diff --git a/crypto/rsa/rsa_ameth.c b/crypto/rsa/rsa_ameth.c
index c7106a313..ca3922e6c 100644
--- a/crypto/rsa/rsa_ameth.c
+++ b/crypto/rsa/rsa_ameth.c
@@ -698,9 +698,10 @@ static int rsa_item_verify(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
         RSAerr(RSA_F_RSA_ITEM_VERIFY, RSA_R_UNSUPPORTED_SIGNATURE_TYPE);
         return -1;
     }
-    if (rsa_pss_to_ctx(ctx, NULL, sigalg, pkey))
+    if (rsa_pss_to_ctx(ctx, NULL, sigalg, pkey) > 0) {
         /* Carry on */
         return 2;
+    }
     return -1;
 }