diff --git a/lib/vtls/sectransp.c b/lib/vtls/sectransp.c
index 4122384dd..edd375ea7 100644
--- a/lib/vtls/sectransp.c
+++ b/lib/vtls/sectransp.c
@@ -1158,12 +1158,14 @@ static OSStatus CopyIdentityWithLabel(char *label,
           (SecIdentityRef) CFArrayGetValueAtIndex(keys_list, i);
         err = SecIdentityCopyCertificate(identity, &cert);
         if(err == noErr) {
+          OSStatus copy_status = noErr;
 #if CURL_BUILD_IOS
           common_name = SecCertificateCopySubjectSummary(cert);
 #elif CURL_BUILD_MAC_10_7
-          SecCertificateCopyCommonName(cert, &common_name);
+          copy_status = SecCertificateCopyCommonName(cert, &common_name);
 #endif
-          if(CFStringCompare(common_name, label_cf, 0) == kCFCompareEqualTo) {
+          if(copy_status == noErr &&
+            CFStringCompare(common_name, label_cf, 0) == kCFCompareEqualTo) {
             CFRelease(cert);
             CFRelease(common_name);
             CFRetain(identity);