diff --git a/python/tvm/script/parser/core/parser.py b/python/tvm/script/parser/core/parser.py
index c6d43f11cbf5..7c699c42aecb 100644
--- a/python/tvm/script/parser/core/parser.py
+++ b/python/tvm/script/parser/core/parser.py
@@ -19,6 +19,7 @@
 from collections import defaultdict
 from contextlib import contextmanager
 from typing import Any, Callable, Dict, List, Optional, Set, Union
+import numpy as np
 from tvm._ffi.base import TVMError
 
 from tvm.error import DiagnosticError
@@ -150,8 +151,11 @@ def add(self, var: str, value: Any, allow_shadowing: bool = False):
             The options of whether variable shadowing allwed for this variable.
         """
         # Skip if the key and value are equal to those in the var_table
-        if self.name2value[var] and self.name2value[var][-1] == value:
-            return
+        if self.name2value[var] and isinstance(self.name2value[var][-1], type(value)):
+            if isinstance(value, np.ndarray) and (self.name2value[var][-1] == value).all():
+                return
+            elif self.name2value[var][-1] == value:
+                return
         if allow_shadowing and var in self.frames[-1].vars:
             # Shadowing
             self.name2value[var][-1] = value
diff --git a/tests/python/unittest/test_tvmscript_regression.py b/tests/python/unittest/test_tvmscript_regression.py
index 3ad8090893eb..05c1665ea2a1 100644
--- a/tests/python/unittest/test_tvmscript_regression.py
+++ b/tests/python/unittest/test_tvmscript_regression.py
@@ -45,5 +45,20 @@ def test_multi_element_array_in_outmost_namespace():
     tvm.ir.assert_structural_equal(func, rt_func)
 
 
+def test_different_dtype_assignment_to_var():
+    @T.prim_func
+    def test_case():
+        a = T.alloc_buffer((10, 10), dtype="int8")
+
+    @T.prim_func
+    def func_ref():
+        a = T.alloc_buffer([10, 10], dtype="int8")
+        T.evaluate(0)
+
+    tvm.ir.assert_structural_equal(test_case, func_ref)
+
+
 if __name__ == "__main__":
+    a = numpy.zeros((10, 10), dtype="int8")
     test_multi_element_array_in_outmost_namespace()
+    test_different_dtype_assignment_to_var()