diff --git a/DVR/SessionDataTask.swift b/DVR/SessionDataTask.swift
index 2757166..a620dd0 100644
--- a/DVR/SessionDataTask.swift
+++ b/DVR/SessionDataTask.swift
@@ -12,6 +12,7 @@ class SessionDataTask: NSURLSessionDataTask {
     weak var session: Session!
     let request: NSURLRequest
     let completion: Completion?
+    private let queue = dispatch_queue_create("com.venmo.DVR.sessionDataTaskQueue", nil)
 
 
     // MARK: - Initializers
@@ -35,7 +36,11 @@ class SessionDataTask: NSURLSessionDataTask {
         // Find interaction
         if let interaction = cassette?.interactionForRequest(request) {
             // Forward completion
-            completion?(interaction.responseData, interaction.response, nil)
+            if let completion = completion {
+                dispatch_async(queue) {
+                    completion(interaction.responseData, interaction.response, nil)
+                }
+            }
             return
         }