diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/model/operations/DeletePropertyAVM2Item.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/model/operations/DeletePropertyAVM2Item.java
index 06db4a2ad..dac9eb4e8 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/model/operations/DeletePropertyAVM2Item.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/model/operations/DeletePropertyAVM2Item.java
@@ -84,7 +84,7 @@ public class DeletePropertyAVM2Item extends AVM2Item {
         }
         if (p instanceof PropertyAVM2Item) {
             PropertyAVM2Item prop = (PropertyAVM2Item) p;
-            return toSourceMerge(localData, generator, prop.resolveObject(localData, generator),
+            return toSourceMerge(localData, generator, prop.resolveObject(localData, generator, true),
                     ins(AVM2Instructions.DeleteProperty, prop.resolveProperty(localData))
             );
         }
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/parser/script/ConstructSomethingAVM2Item.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/parser/script/ConstructSomethingAVM2Item.java
index f28c514a1..9de718c92 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/parser/script/ConstructSomethingAVM2Item.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/parser/script/ConstructSomethingAVM2Item.java
@@ -80,7 +80,7 @@ public class ConstructSomethingAVM2Item extends CallAVM2Item {
 
         if (resname instanceof PropertyAVM2Item) {
             PropertyAVM2Item prop = (PropertyAVM2Item) resname;
-            return toSourceMerge(localData, generator, prop.resolveObject(localData, generator), arguments,
+            return toSourceMerge(localData, generator, prop.resolveObject(localData, generator, true), arguments,
                     ins(AVM2Instructions.ConstructProp, prop.resolveProperty(localData), arguments.size())
             );
         }
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/parser/script/PropertyAVM2Item.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/parser/script/PropertyAVM2Item.java
index b82786f52..1d42b013a 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/parser/script/PropertyAVM2Item.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/parser/script/PropertyAVM2Item.java
@@ -405,7 +405,7 @@ public class PropertyAVM2Item extends AssignableAVM2Item {
         resolve(false, localData, isType, objType, propType, propIndex, outPropValue, outPropValueAbc);
 
         int propertyId = propIndex.getVal();
-        Object obj = resolveObject(localData, generator);
+        Object obj = resolveObject(localData, generator, assignedValue == null);
         Reference<Integer> ret_temp = new Reference<>(-1);
         if (assignedValue != null) {
             GraphTargetItem targetType = propType.getVal();
@@ -451,7 +451,7 @@ public class PropertyAVM2Item extends AssignableAVM2Item {
         return true;
     }
 
-    public Object resolveObject(SourceGeneratorLocalData localData, SourceGenerator generator) throws CompilationException {
+    public Object resolveObject(SourceGeneratorLocalData localData, SourceGenerator generator, boolean mustExist) throws CompilationException {
         Object obj = object;
 
         if (obj == null) {
@@ -495,7 +495,7 @@ public class PropertyAVM2Item extends AssignableAVM2Item {
                 Reference<ABC> propValueAbc = new Reference<>(null);
 
                 resolve(false, localData, isType, objType, propType, propIndex, outPropValue, propValueAbc);
-                obj = ins(AVM2Instructions.FindPropertyStrict, propIndex.getVal());
+                obj = ins(mustExist ? AVM2Instructions.FindPropertyStrict : AVM2Instructions.FindProperty, propIndex.getVal());
             //}
         }
         return obj;
@@ -514,7 +514,7 @@ public class PropertyAVM2Item extends AssignableAVM2Item {
         resolve(false, localData, isType, objType, propType, propIndex, outPropValue, outPropValueAbc);
 
         int propertyId = propIndex.getVal();
-        Object obj = resolveObject(localData, generator);
+        Object obj = resolveObject(localData, generator, false);
 
         Reference<Integer> ret_temp = new Reference<>(-1);
         Reference<Integer> obj_temp = new Reference<>(-1);