diff --git a/src/evo/simplifiedmns.h b/src/evo/simplifiedmns.h
index dd3882ca41..77165c56b6 100644
--- a/src/evo/simplifiedmns.h
+++ b/src/evo/simplifiedmns.h
@@ -73,6 +73,9 @@ public:
                 obj.keyIDVoting,
                 obj.isValid
                 );
+        if ((s.GetType() & SER_NETWORK) && s.GetVersion() < DMN_TYPE_PROTO_VERSION) {
+            return;
+        }
         if (obj.nVersion == BASIC_BLS_VERSION) {
             READWRITE(obj.nType);
             if (obj.nType == MnType::HighPerformance) {
diff --git a/test/functional/test_framework/messages.py b/test/functional/test_framework/messages.py
index 970221f6d2..055b9c44e1 100755
--- a/test/functional/test_framework/messages.py
+++ b/test/functional/test_framework/messages.py
@@ -32,7 +32,7 @@ from test_framework.util import hex_str_to_bytes, assert_equal
 import dash_hash
 
 MIN_VERSION_SUPPORTED = 60001
-MY_VERSION = 70225  # BLS_SCHEME_PROTO_VERSION
+MY_VERSION = 70227  # DMN_TYPE_PROTO_VERSION
 MY_SUBVERSION = b"/python-mininode-tester:0.0.3%s/"
 MY_RELAY = 1 # from version 70001 onwards, fRelay should be appended to version messages (BIP37)