diff --git a/Source/SocketEngine.swift b/Source/SocketEngine.swift
index 6caf87e..7a9f6c7 100644
--- a/Source/SocketEngine.swift
+++ b/Source/SocketEngine.swift
@@ -523,6 +523,7 @@ public final class SocketEngine : NSObject, URLSessionDelegate, SocketEnginePoll
             connected = true
             probing = false
             polling = false
+            pongsMissed = 0
         }
     }