diff --git a/websockets-jsr/src/main/java/io/undertow/websockets/jsr/FrameHandler.java b/websockets-jsr/src/main/java/io/undertow/websockets/jsr/FrameHandler.java
index 12ae5bb38c..a93822587d 100644
--- a/websockets-jsr/src/main/java/io/undertow/websockets/jsr/FrameHandler.java
+++ b/websockets-jsr/src/main/java/io/undertow/websockets/jsr/FrameHandler.java
@@ -152,6 +152,8 @@ public void run() {
                     }
                 }
             });
+        } else {
+            bufferedBinaryMessage.getData().free();
         }
     }