diff --git a/pandalib-ws-client/src/main/java/fr/pandacube/lib/ws/client/AbstractClientWS.java b/pandalib-ws-client/src/main/java/fr/pandacube/lib/ws/client/AbstractClientWS.java
index ce300d5..5f50724 100644
--- a/pandalib-ws-client/src/main/java/fr/pandacube/lib/ws/client/AbstractClientWS.java
+++ b/pandalib-ws-client/src/main/java/fr/pandacube/lib/ws/client/AbstractClientWS.java
@@ -129,6 +129,8 @@ public abstract class AbstractClientWS implements AbstractWS {
                                 return;
                             }
                         }
+                        if (ex instanceof CompletionException)
+                            ex = ex.getCause();
                         if (ex instanceof IOException) {
                             reconnectIfNecessary();
                         }