diff --git a/zuul-core/src/main/java/com/netflix/zuul/netty/server/ssl/SslHandshakeInfoHandler.java b/zuul-core/src/main/java/com/netflix/zuul/netty/server/ssl/SslHandshakeInfoHandler.java
index b2ab429cf2..32039d5ce0 100644
--- a/zuul-core/src/main/java/com/netflix/zuul/netty/server/ssl/SslHandshakeInfoHandler.java
+++ b/zuul-core/src/main/java/com/netflix/zuul/netty/server/ssl/SslHandshakeInfoHandler.java
@@ -155,8 +155,8 @@ public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exc
                 spectatorRegistry.counter("zuul.sni.parse.success").increment();
             } else {
                 Throwable cause = sniCompletionEvent.cause();
-                spectatorRegistry.counter("zuul.sni.parse.failure", cause != null ? cause.getMessage() : "UNKNOWN")
-                        .increment();
+                spectatorRegistry.counter("zuul.sni.parse.failure",
+                        "cause", cause != null ? cause.getMessage() : "UNKNOWN").increment();
             }
         }
         super.userEventTriggered(ctx, evt);