diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0accd2d27..5f3f16465 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,7 @@ All notable changes to this project will be documented in this file.
 - [#2354] Simplify expressions problems in some cases
 - [#2353] AS1/2 - fscommand and other dynamic GetURL related calls (decompilation + editation)
 - FFDec source code typos
+- [#2353] AS1/2 incorrect declaration propagation causing null assignments to registers
 
 ## [21.1.1] - 2024-10-13
 ### Added 
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/ActionGraph.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/ActionGraph.java
index 6478dfe48..e998b13dd 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/ActionGraph.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/ActionGraph.java
@@ -614,7 +614,9 @@ public class ActionGraph extends Graph {
             ActionScript2ClassDetector detector = new ActionScript2ClassDetector();
             detector.checkClass(uninitializedClassTraits, ret, ((ActionGraphSource) code).getVariables(), path);
         }
-        makeDefineRegistersUp(ret, new HashSet<>());
+        ActionLocalData ald = (ActionLocalData) localData;
+        
+        makeDefineRegistersUp(ret, new HashSet<>(ald.regNames.keySet()));
         return ret;
     }