diff --git a/CHANGELOG.md b/CHANGELOG.md
index c2fde334e4d4..96e6c98fe143 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -41,6 +41,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 ## Bug Fixes
 
 * [#20939](https://github.com/cosmos/cosmos-sdk/pull/20939) Fix collection reverse iterator to include `pagination.key` in the result.
+* (client/grpc) [#20969](https://github.com/cosmos/cosmos-sdk/pull/20969) Fix `node.NewQueryServer` method not setting `cfg`.
 
 ## [v0.50.8](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.50.8) - 2024-07-15
 
diff --git a/client/grpc/node/service.go b/client/grpc/node/service.go
index db0c7e15963d..144722a9cbfb 100644
--- a/client/grpc/node/service.go
+++ b/client/grpc/node/service.go
@@ -32,6 +32,7 @@ type queryServer struct {
 func NewQueryServer(clientCtx client.Context, cfg config.Config) ServiceServer {
 	return queryServer{
 		clientCtx: clientCtx,
+		cfg:       cfg,
 	}
 }
 
diff --git a/client/grpc/node/service_test.go b/client/grpc/node/service_test.go
index 41ce2a2cc50c..fc9ddbb5101e 100644
--- a/client/grpc/node/service_test.go
+++ b/client/grpc/node/service_test.go
@@ -12,6 +12,9 @@ import (
 
 func TestServiceServer_Config(t *testing.T) {
 	defaultCfg := config.DefaultConfig()
+	defaultCfg.PruningKeepRecent = "2000"
+	defaultCfg.PruningInterval = "10"
+	defaultCfg.HaltHeight = 100
 	svr := NewQueryServer(client.Context{}, *defaultCfg)
 	ctx := sdk.Context{}.WithMinGasPrices(sdk.NewDecCoins(sdk.NewInt64DecCoin("stake", 15)))
 
@@ -19,5 +22,7 @@ func TestServiceServer_Config(t *testing.T) {
 	require.NoError(t, err)
 	require.NotNil(t, resp)
 	require.Equal(t, ctx.MinGasPrices().String(), resp.MinimumGasPrice)
+	require.Equal(t, defaultCfg.PruningKeepRecent, resp.PruningKeepRecent)
+	require.Equal(t, defaultCfg.PruningInterval, resp.PruningInterval)
 	require.Equal(t, defaultCfg.HaltHeight, resp.HaltHeight)
 }