diff --git a/gossip/src/protocol.rs b/gossip/src/protocol.rs
index d897f6d73b6209..b4acd831627cad 100644
--- a/gossip/src/protocol.rs
+++ b/gossip/src/protocol.rs
@@ -241,7 +241,8 @@ impl Signable for PruneData {
     }
 
     fn signable_data(&self) -> Cow<[u8]> {
-        self.signable_data_with_prefix()
+        // Continue to return signable data without a prefix until cluster has upgraded
+        self.signable_data_without_prefix()
     }
 
     fn get_signature(&self) -> Signature {