diff --git a/AFNetworking/AFSecurityPolicy.m b/AFNetworking/AFSecurityPolicy.m
index c7899cc5ba..41576bbb27 100644
--- a/AFNetworking/AFSecurityPolicy.m
+++ b/AFNetworking/AFSecurityPolicy.m
@@ -254,7 +254,7 @@ - (BOOL)evaluateServerTrust:(SecTrustRef)serverTrust
 
     SecTrustSetPolicies(serverTrust, (__bridge CFArrayRef)policies);
 
-    if (!AFServerTrustIsValid(serverTrust) && !self.allowInvalidCertificates) {
+    if (self.SSLPinningMode != AFSSLPinningModeNone && !AFServerTrustIsValid(serverTrust) && !self.allowInvalidCertificates) {
         return NO;
     }