diff --git a/server/types/app.go b/server/types/app.go
index 798a4475dbbe..d08cfff0ea9b 100644
--- a/server/types/app.go
+++ b/server/types/app.go
@@ -8,6 +8,7 @@ import (
 	cmttypes "github.com/cometbft/cometbft/types"
 	"github.com/cosmos/gogoproto/grpc"
 
+	"cosmossdk.io/core/server"
 	corestore "cosmossdk.io/core/store"
 	"cosmossdk.io/log"
 	"cosmossdk.io/store/snapshots"
@@ -26,9 +27,7 @@ type (
 	// literal defined on the server Context. Note, casting Get calls may not yield
 	// the expected types and could result in type assertion errors. It is recommend
 	// to either use the cast package or perform manual conversion for safety.
-	AppOptions interface {
-		Get(string) interface{}
-	}
+	AppOptions = server.DynamicConfig
 
 	// Application defines an application interface that wraps abci.Application.
 	// The interface defines the necessary contracts to be implemented in order
diff --git a/server/util_test.go b/server/util_test.go
index 11f5cbb208c9..39a9e6c35528 100644
--- a/server/util_test.go
+++ b/server/util_test.go
@@ -492,4 +492,8 @@ func (m mapGetter) Get(key string) interface{} {
 	return m[key]
 }
 
+func (m mapGetter) GetString(key string) string {
+	return m[key].(string)
+}
+
 var _ servertypes.AppOptions = mapGetter{}
diff --git a/testutil/sims/app_helpers.go b/testutil/sims/app_helpers.go
index 08d9a71656d1..42d56ced3c4c 100644
--- a/testutil/sims/app_helpers.go
+++ b/testutil/sims/app_helpers.go
@@ -307,6 +307,15 @@ func (m AppOptionsMap) Get(key string) interface{} {
 	return v
 }
 
+func (m AppOptionsMap) GetString(key string) string {
+	v, ok := m[key]
+	if !ok {
+		return ""
+	}
+
+	return v.(string)
+}
+
 func NewAppOptionsWithFlagHome(homePath string) servertypes.AppOptions {
 	return AppOptionsMap{
 		flags.FlagHome: homePath,
diff --git a/testutils/sims/runner.go b/testutils/sims/runner.go
index d1ae04fc6f94..918770725387 100644
--- a/testutils/sims/runner.go
+++ b/testutils/sims/runner.go
@@ -235,6 +235,10 @@ func (f AppOptionsFn) Get(k string) any {
 	return f(k)
 }
 
+func (f AppOptionsFn) GetString(k string) string {
+	return f(k).(string)
+}
+
 // FauxMerkleModeOpt returns a BaseApp option to use a dbStoreAdapter instead of
 // an IAVLStore for faster simulation speed.
 func FauxMerkleModeOpt(bapp *baseapp.BaseApp) {