diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/amf/amf3/AMF3Tools.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/amf/amf3/AMF3Tools.java
index eb9daa7ba..c13a26114 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/amf/amf3/AMF3Tools.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/amf/amf3/AMF3Tools.java
@@ -218,6 +218,7 @@ public class AMF3Tools {
             ret.append("{\r\n");
             ret.append(indent(level + 1)).append("\"type\": \"Dictionary\",\r\n");
             ret.append(addId);
+            ret.append(indent(level + 1)).append("\"weakKeys\": " + dt.hasWeakKeys() + ",\r\n");
             ret.append(indent(level + 1)).append("\"value\": {\r\n");
             for (int i = 0; i < dt.getPairs().size(); i++) {
                 Pair<Object, Object> pair = dt.getPairs().get(i);
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/amf/amf3/types/DictionaryType.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/amf/amf3/types/DictionaryType.java
index 29cf399f2..57155f719 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/amf/amf3/types/DictionaryType.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/amf/amf3/types/DictionaryType.java
@@ -35,4 +35,8 @@ public class DictionaryType implements WithSubValues {
         return AMF3Tools.amfToString(this);
     }
 
+    public boolean hasWeakKeys() {
+        return weakKeys;
+    }
+
 }