diff --git a/edge-modules/functions/binding/src/Microsoft.Azure.Devices.Edge.Functions.Binding/ModuleClientCache.cs b/edge-modules/functions/binding/src/Microsoft.Azure.Devices.Edge.Functions.Binding/ModuleClientCache.cs
index 392015c3b4c..82f990274c2 100644
--- a/edge-modules/functions/binding/src/Microsoft.Azure.Devices.Edge.Functions.Binding/ModuleClientCache.cs
+++ b/edge-modules/functions/binding/src/Microsoft.Azure.Devices.Edge.Functions.Binding/ModuleClientCache.cs
@@ -50,7 +50,8 @@ public async Task<ModuleClient> GetOrCreateAsync()
 
         async Task<ModuleClient> CreateModuleClient()
         {
-            ModuleClient moduleClient = await ModuleClient.CreateFromEnvironmentAsync().ConfigureAwait(false);
+            ModuleClient moduleClient = await ModuleClient.CreateFromEnvironmentAsync(TransportType.Mqtt_Tcp_Only)
+                .ConfigureAwait(false);
 
             moduleClient.ProductInfo = "Microsoft.Azure.Devices.Edge.Functions.Binding";
             return moduleClient;