1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/libcrypto/cms/cms_sd.c b/src/lib/libcrypto/cms/cms_sd.c
index 591bfbec33..cdac3b870d 100644
--- a/src/lib/libcrypto/cms/cms_sd.c
+++ b/src/lib/libcrypto/cms/cms_sd.c
@@ -830,7 +830,7 @@ int CMS_SignerInfo_verify(CMS_SignerInfo *si)
         cms_fixup_mctx(&mctx, si->pkey);
         r = EVP_VerifyFinal(&mctx,
                         si->signature->data, si->signature->length, si->pkey);
-        if (!r)
+        if (r <= 0)
                 CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY, CMS_R_VERIFICATION_FAILURE);
         err:
         EVP_MD_CTX_cleanup(&mctx);