diff --git a/blocksync/reactor.go b/blocksync/reactor.go
index b163afd0e..3e4bd3795 100644
--- a/blocksync/reactor.go
+++ b/blocksync/reactor.go
@@ -143,6 +143,7 @@ func (bcR *Reactor) GetChannels() []*p2p.ChannelDescriptor {
 			SendQueueCapacity:   1000,
 			RecvBufferCapacity:  50 * 4096,
 			RecvMessageCapacity: MaxMsgSize,
+			MessageType:         &bcproto.Message{},
 		},
 	}
 }
diff --git a/evidence/reactor.go b/evidence/reactor.go
index c4621c4ce..cd8b50201 100644
--- a/evidence/reactor.go
+++ b/evidence/reactor.go
@@ -55,6 +55,7 @@ func (evR *Reactor) GetChannels() []*p2p.ChannelDescriptor {
 			ID:                  EvidenceChannel,
 			Priority:            6,
 			RecvMessageCapacity: maxMsgSize,
+			MessageType:         &tmproto.EvidenceList{},
 		},
 	}
 }
diff --git a/mempool/v0/reactor.go b/mempool/v0/reactor.go
index 8e08535cc..d9238a7a3 100644
--- a/mempool/v0/reactor.go
+++ b/mempool/v0/reactor.go
@@ -134,6 +134,7 @@ func (memR *Reactor) GetChannels() []*p2p.ChannelDescriptor {
 			ID:                  mempool.MempoolChannel,
 			Priority:            5,
 			RecvMessageCapacity: batchMsg.Size(),
+			MessageType:         &protomem.Message{},
 		},
 	}
 }
diff --git a/mempool/v1/reactor.go b/mempool/v1/reactor.go
index f45ea0de8..3a0b6b99e 100644
--- a/mempool/v1/reactor.go
+++ b/mempool/v1/reactor.go
@@ -133,6 +133,7 @@ func (memR *Reactor) GetChannels() []*p2p.ChannelDescriptor {
 			ID:                  mempool.MempoolChannel,
 			Priority:            5,
 			RecvMessageCapacity: batchMsg.Size(),
+			MessageType:         &protomem.Message{},
 		},
 	}
 }
diff --git a/p2p/pex/pex_reactor.go b/p2p/pex/pex_reactor.go
index 7e4cc34e1..2171d682f 100644
--- a/p2p/pex/pex_reactor.go
+++ b/p2p/pex/pex_reactor.go
@@ -184,6 +184,7 @@ func (r *Reactor) GetChannels() []*conn.ChannelDescriptor {
 			Priority:            1,
 			SendQueueCapacity:   10,
 			RecvMessageCapacity: maxMsgSize,
+			MessageType:         &tmp2p.Message{},
 		},
 	}
 }
diff --git a/statesync/reactor.go b/statesync/reactor.go
index e30c234aa..d5aae881e 100644
--- a/statesync/reactor.go
+++ b/statesync/reactor.go
@@ -66,12 +66,14 @@ func (r *Reactor) GetChannels() []*p2p.ChannelDescriptor {
 			Priority:            5,
 			SendQueueCapacity:   10,
 			RecvMessageCapacity: snapshotMsgSize,
+			MessageType:         &ssproto.Message{},
 		},
 		{
 			ID:                  ChunkChannel,
 			Priority:            3,
 			SendQueueCapacity:   10,
 			RecvMessageCapacity: chunkMsgSize,
+			MessageType:         &ssproto.Message{},
 		},
 	}
 }