diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8e5da624cd..f15dad68cd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -47,6 +47,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (x/collection) [\#571](https://github.com/line/lbm-sdk/pull/571) add x/collection proto
 * (x/collection) [\#574](https://github.com/line/lbm-sdk/pull/574) implement x/collection
 * (amino) [\600](https://github.com/line/lbm-sdk/pull/600) change amino codec path from `lbm-sdk/` to `cosmos-sdk/`
+* (server/grpc) [\#607](https://github.com/line/lbm-sdk/pull/607) revert gRPC block height header.
 
 ### Improvements
 
diff --git a/server/grpc/server_test.go b/server/grpc/server_test.go
index edafceb83a..c014b521f0 100644
--- a/server/grpc/server_test.go
+++ b/server/grpc/server_test.go
@@ -190,7 +190,7 @@ func (s *IntegrationTestSuite) TestGRPCServer_BroadcastTx() {
 }
 
 // Test and enforce that we upfront reject any connections to baseapp containing
-// invalid initial x-lbm-block-height that aren't positive  and in the range [0, max(int64)]
+// invalid initial x-cosmos-block-height that aren't positive  and in the range [0, max(int64)]
 // See issue https://github.com/cosmos/cosmos-sdk/issues/7662.
 func (s *IntegrationTestSuite) TestGRPCServerInvalidHeaderHeights() {
 	t := s.T()
diff --git a/types/grpc/headers.go b/types/grpc/headers.go
index 58a728ce77..0915307958 100644
--- a/types/grpc/headers.go
+++ b/types/grpc/headers.go
@@ -2,5 +2,5 @@ package grpc
 
 const (
 	// GRPCBlockHeightHeader is the gRPC header for block height.
-	GRPCBlockHeightHeader = "x-lbm-block-height"
+	GRPCBlockHeightHeader = "x-cosmos-block-height"
 )