diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index bdeb61d4db..738aa1211e 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -147,6 +147,7 @@ public:
         enforce_pak = false;
         multi_data_permitted = false;
         consensus.has_parent_chain = false;
+        g_signed_blocks = false;
 
         /**
          * The message start string is designed to be unlikely to occur in normal data.