diff --git a/package.json b/package.json
index 42efa26..6f27515 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bnc-sdk",
-  "version": "3.3.0",
+  "version": "3.3.1",
   "description": "SDK to connect to the blocknative backend via a websocket connection",
   "keywords": [
     "ethereum",
diff --git a/src/configuration.ts b/src/configuration.ts
index 45fd15f..20e369a 100644
--- a/src/configuration.ts
+++ b/src/configuration.ts
@@ -13,10 +13,11 @@ function configuration(
     )
   }
 
+  const casedScope =
+    this._system === 'ethereum' ? config.scope.toLowerCase() : config.scope
+
   // resolve previous configuration if exists
-  const previousConfiguration = this._configurations.get(
-    config.scope.toLowerCase()
-  )
+  const previousConfiguration = this._configurations.get(casedScope)
 
   previousConfiguration &&
     previousConfiguration.subscription &&
@@ -27,7 +28,7 @@ function configuration(
   // create emitter for transaction
   const emitter = config.watchAddress ? { emitter: createEmitter() } : {}
 
-  this._configurations.set(config.scope.toLowerCase(), {
+  this._configurations.set(casedScope, {
     ...config,
     ...emitter,
     subscription
@@ -42,7 +43,10 @@ function configuration(
   return new Promise((resolve, reject) => {
     subscription.pipe(take(1), timeout(5000)).subscribe({
       next: () => resolve({ ...emitter, details: { config } }),
-      error: reject
+      error: () =>
+        reject(
+          `Configuration with scope: ${config.scope} has been sent to the Blocknative server, but has not received a reply within 5 seconds.`
+        )
     })
   })
 }
diff --git a/src/messages.ts b/src/messages.ts
index ea4d002..6fc394b 100644
--- a/src/messages.ts
+++ b/src/messages.ts
@@ -183,7 +183,12 @@ export function handleMessage(this: any, msg: { data: string }): void {
   }
 
   if (event && event.config) {
-    const configuration = this._configurations.get(event.config.scope)
+    const casedScope =
+      this._system === 'ethereum'
+        ? event.config.scope.toLowerCase()
+        : event.config.scope
+
+    const configuration = this._configurations.get(casedScope)
 
     if (configuration && configuration.subscription) {
       configuration.subscription.next()