diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/model/CoerceAVM2Item.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/model/CoerceAVM2Item.java
index da8502bcb..19021b7a6 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/model/CoerceAVM2Item.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/model/CoerceAVM2Item.java
@@ -59,6 +59,11 @@ public class CoerceAVM2Item extends AVM2Item {
         return value.getNotCoerced();
     }
 
+    @Override
+    public GraphTargetItem getNotCoercedNoDup() {
+        return value.getNotCoercedNoDup();
+    }
+
     @Override
     public boolean isCompileTime(Set<GraphTargetItem> dependencies) {
         if (dependencies.contains(value)) {
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/model/ConvertAVM2Item.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/model/ConvertAVM2Item.java
index 9d0efb1a8..df8f80b4e 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/model/ConvertAVM2Item.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/model/ConvertAVM2Item.java
@@ -43,6 +43,11 @@ public class ConvertAVM2Item extends AVM2Item {
         return value.getNotCoerced();
     }
 
+    @Override
+    public GraphTargetItem getNotCoercedNoDup() {
+        return value.getNotCoercedNoDup();
+    }
+
     @Override
     public Object getResult() {
         switch (type.toString()) {
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/model/TemporaryRegister.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/model/TemporaryRegister.java
index 86f66c90a..6f868a800 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/model/TemporaryRegister.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/model/TemporaryRegister.java
@@ -73,4 +73,9 @@ public class TemporaryRegister extends ActionItem {
     public GraphTargetItem getNotCoerced() {
         return value.getNotCoerced();
     }
+
+    @Override
+    public GraphTargetItem getNotCoercedNoDup() {
+        return value.getNotCoercedNoDup();
+    }
 }
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/graph/Graph.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/graph/Graph.java
index 46b002c91..ee7485dec 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/graph/Graph.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/graph/Graph.java
@@ -2004,12 +2004,12 @@ public class Graph {
                             if (onTrue.size() == 2) {
                                 GraphTargetItem rightSide = ((PushItem) onTrue.get(1)).value;
                                 GraphTargetItem prevExpr = stack.pop();
-                                GraphTargetItem leftSide = expr;
+                                GraphTargetItem leftSide = expr.getNotCoercedNoDup();
 
                                 if (leftSide instanceof DuplicateItem) {
                                     isIf = false;
                                     stack.push(new OrItem(null, prevExpr, rightSide));
-                                } else if (leftSide.invert(null) instanceof DuplicateItem) {
+                                } else if (leftSide.invert(null).getNotCoercedNoDup() instanceof DuplicateItem) {
                                     isIf = false;
                                     stack.push(new AndItem(null, prevExpr, rightSide));
                                 } else if (prevExpr instanceof FalseItem) {
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/graph/GraphTargetItem.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/graph/GraphTargetItem.java
index 7d20140c9..106470a0a 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/graph/GraphTargetItem.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/graph/GraphTargetItem.java
@@ -250,6 +250,10 @@ public abstract class GraphTargetItem implements Serializable, Cloneable {
         return this;
     }
 
+    public GraphTargetItem getNotCoercedNoDup() {
+        return getNotCoerced();
+    }
+
     public GraphTargetItem getThroughRegister() {
         return this;
     }
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/graph/model/DuplicateItem.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/graph/model/DuplicateItem.java
index a8913c328..1e281d25a 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/graph/model/DuplicateItem.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/graph/model/DuplicateItem.java
@@ -57,6 +57,11 @@ public class DuplicateItem extends GraphTargetItem implements SimpleValue {
         return value.getNotCoerced();
     }
 
+    @Override
+    public GraphTargetItem getNotCoercedNoDup() {
+        return this;
+    }
+
     @Override
     public GraphTargetItem getThroughRegister() {
         return value.getThroughRegister();
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/graph/model/PushItem.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/graph/model/PushItem.java
index af6d23b77..43a24f5d5 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/graph/model/PushItem.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/graph/model/PushItem.java
@@ -62,4 +62,9 @@ public class PushItem extends GraphTargetItem {
     public GraphTargetItem getThroughRegister() {
         return value.getThroughRegister();
     }
+
+    @Override
+    public GraphTargetItem getNotCoercedNoDup() {
+        return value.getNotCoercedNoDup();
+    }
 }