diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1753b0ae..1afd67d0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -46,6 +46,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ### Bug Fixes
 * (build) [\#236](https://github.com/Finschia/finschia/pull/236) fix compile error when the build_tags is multiple.
+* (wasm) [\#249](https://github.com/Finschia/finschia/pull/249) revert removing wasm configs
 
 ### Breaking Changes
 * (ostracon) [\#240](https://github.com/Finschia/finschia/pull/240) remove `libsodium` vrf library
diff --git a/cmd/fnsad/cmd/root.go b/cmd/fnsad/cmd/root.go
index 965b9d37..ca3612c8 100644
--- a/cmd/fnsad/cmd/root.go
+++ b/cmd/fnsad/cmd/root.go
@@ -96,8 +96,19 @@ func NewRootCmd() (*cobra.Command, params.EncodingConfig) {
 func initAppConfig() (string, interface{}) {
 	// The following code snippet is just for reference.
 
+	// WASMConfig defines configuration for the wasm module.
+	type WASMConfig struct {
+		// This is the maximum sdk gas (wasm and storage) that we allow for any x/wasm "smart" queries
+		QueryGasLimit uint64 `mapstructure:"query_gas_limit"`
+
+		// Address defines the gRPC-web server to listen on
+		LruSize uint64 `mapstructure:"lru_size"`
+	}
+
 	type CustomAppConfig struct {
 		serverconfig.Config
+
+		WASM WASMConfig `mapstructure:"wasm"`
 	}
 
 	// Optionally allow the chain developer to overwrite the SDK's default
@@ -120,9 +131,19 @@ func initAppConfig() (string, interface{}) {
 
 	customAppConfig := CustomAppConfig{
 		Config: *srvCfg,
+		WASM: WASMConfig{
+			LruSize:       1,
+			QueryGasLimit: 300000,
+		},
 	}
 
-	customAppTemplate := serverconfig.DefaultConfigTemplate
+	customAppTemplate := serverconfig.DefaultConfigTemplate + `
+[wasm]
+# This is the maximum sdk gas (wasm and storage) that we allow for any x/wasm "smart" queries
+query_gas_limit = 300000
+# This is the number of wasm vm instances we keep cached in memory for speed-up
+# Warning: this is currently unstable and may lead to crashes, best to keep for 0 unless testing locally
+lru_size = 0`
 
 	return customAppTemplate, customAppConfig
 }