diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1f4d1a8b5..0963b43e5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -47,6 +47,7 @@ All notable changes to this project will be documented in this file.
 - AS3 direct editation/highlighter §§pop in class traits
 - AS direct editation/highlighter §§pop and §§dup can have getmember or call
 - [#1295], [#116] AS3 dynamic construction via MultinameL
+- ABC cleaner not properly fixing namespace sets
 
  ### Changed
 - Icon of "Deobfuscation options" menu from pile of pills to medkit
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/usages/simple/ABCCleaner.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/usages/simple/ABCCleaner.java
index 6f193486b..fea96864a 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/usages/simple/ABCCleaner.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/usages/simple/ABCCleaner.java
@@ -163,7 +163,7 @@ public class ABCCleaner {
         }
 
         for (int i = 1; i < abc.constants.getNamespaceSetCount(); i++) {
-            if (notReferencedIndices.get(ABCSimpleUsageDetector.ItemKind.MULTINAME).contains(i)) {
+            if (notReferencedIndices.get(ABCSimpleUsageDetector.ItemKind.NAMESPACESET).contains(i)) {
                 continue;
             }
             NamespaceSet m = abc.constants.getNamespaceSet(i);