diff --git a/src/ConductorSharp.Client/ConductorSharp.Client.csproj b/src/ConductorSharp.Client/ConductorSharp.Client.csproj
index d0cc5bb1..f7ed0308 100644
--- a/src/ConductorSharp.Client/ConductorSharp.Client.csproj
+++ b/src/ConductorSharp.Client/ConductorSharp.Client.csproj
@@ -6,7 +6,7 @@
 		<Authors>Codaxy</Authors>
 		<Company>Codaxy</Company>
 		<PackageId>ConductorSharp.Client</PackageId>
-		<Version>1.5.0-alpha1</Version>
+		<Version>1.5.0-alpha2</Version>
 		<Description>Client library for Netflix Conductor, with some additional quality of life features.</Description>
 		<RepositoryUrl>https://github.com/codaxy/conductor-sharp</RepositoryUrl>
 		<PackageTags>netflix;conductor</PackageTags>
diff --git a/src/ConductorSharp.Engine/ConductorSharp.Engine.csproj b/src/ConductorSharp.Engine/ConductorSharp.Engine.csproj
index 5007821f..9bdb3197 100644
--- a/src/ConductorSharp.Engine/ConductorSharp.Engine.csproj
+++ b/src/ConductorSharp.Engine/ConductorSharp.Engine.csproj
@@ -6,7 +6,7 @@
     <Authors>Codaxy</Authors>
 	<Company>Codaxy</Company>
 	<PackageId>ConductorSharp.Engine</PackageId>
-	<Version>1.5.0-alpha1</Version>
+	<Version>1.5.0-alpha2</Version>
     <Description>Client library for Netflix Conductor, with some additional quality of life features.</Description>
 	<RepositoryUrl>https://github.com/codaxy/conductor-sharp</RepositoryUrl>
 	<PackageTags>netflix;conductor</PackageTags>
diff --git a/src/ConductorSharp.Engine/ExecutionManager.cs b/src/ConductorSharp.Engine/ExecutionManager.cs
index fbdf2128..82fd77dc 100644
--- a/src/ConductorSharp.Engine/ExecutionManager.cs
+++ b/src/ConductorSharp.Engine/ExecutionManager.cs
@@ -68,7 +68,10 @@ public async Task StartAsync(CancellationToken cancellationToken)
 
         private Type GetInputType(Type workerType)
         {
-            var interfaces = workerType.GetInterfaces().Where(a => a.GetGenericTypeDefinition() == typeof(ITaskRequestHandler<,>)).First();
+            var interfaces = workerType
+                .GetInterfaces()
+                .Where(a => a.IsGenericType && a.GetGenericTypeDefinition() == typeof(ITaskRequestHandler<,>))
+                .First();
             var genericArguments = interfaces.GetGenericArguments();
 
             var inputType = genericArguments[0];