diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index e92f31b..682e7b3 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - name: Set up JDK 1.8
+    - name: Set up JDK 11
       uses: actions/setup-java@v1
       with:
         java-version: 11
diff --git a/src/main/java/com/phono/srtplight/RTPProtocolImpl.java b/src/main/java/com/phono/srtplight/RTPProtocolImpl.java
index 4af50e6..646548c 100644
--- a/src/main/java/com/phono/srtplight/RTPProtocolImpl.java
+++ b/src/main/java/com/phono/srtplight/RTPProtocolImpl.java
@@ -299,8 +299,9 @@ protected void parsePacket(DatagramPacket dp) throws IOException {
             offs+=2;
             Log.verb("skip an extension 0x"+Integer.toHexString(extype)+" length "+exlen);
             extens = new byte[4*exlen];
-            pb.get(offs,extens);
-            offs += extens.length;
+            for (int i=0;i<extens.length;i++){
+                extens[i]= packet[offs++];
+            }
         } else {
             extype = null;
         }