diff --git a/src/Nncase.Passes/Rules/ShapeBucket/MergeCallToFusion.cs b/src/Nncase.Passes/Rules/ShapeBucket/MergeCallToFusion.cs
index 80391fa3ee..76667ac8d3 100644
--- a/src/Nncase.Passes/Rules/ShapeBucket/MergeCallToFusion.cs
+++ b/src/Nncase.Passes/Rules/ShapeBucket/MergeCallToFusion.cs
@@ -456,7 +456,7 @@ private static Expr[] MakeNewPrevCalls(Call[] inputsShouldBeMerge, Expr[] prevOu
                 }
 
                 Expr canditateVar = newVar.First();
-                if (x is Marker mm)
+                if (x is Marker mm && mm.Attribute is TensorConst) // Const range of marker
                 {
                     canditateVar = mm.With(target: canditateVar);
                 }