diff --git a/taichi/transforms/offload.cpp b/taichi/transforms/offload.cpp
index d859c67bbb801..ee7b12f82fc10 100644
--- a/taichi/transforms/offload.cpp
+++ b/taichi/transforms/offload.cpp
@@ -121,7 +121,9 @@ class Offloader {
     if (!demotable) {
       for (int i = 1; i < path.size(); i++) {
         auto snode_child = path[i];
-        if (snode_child->type == SNodeType::bit_array && i == path.size() - 1) {
+        if ((snode_child->type == SNodeType::bit_array ||
+             snode_child->type == SNodeType::bit_struct) &&
+            i == path.size() - 1) {
           continue;
         }
         auto offloaded_clear_list =
diff --git a/tests/python/test_bit_struct.py b/tests/python/test_bit_struct.py
index a5d3ba9733be0..f23db1994d260 100644
--- a/tests/python/test_bit_struct.py
+++ b/tests/python/test_bit_struct.py
@@ -134,3 +134,23 @@ def verify_val(test_val: ti.ext_arr()):
 
     test_single_bit_struct(16, 16, [5, 5, 6], np.array([15, 5, 20]))
     test_single_bit_struct(32, 32, [10, 10, 12], np.array([11, 19, 2020]))
+
+
+@ti.test(require=ti.extension.quant, debug=True)
+def test_bit_struct_struct_for():
+    block_size = 16
+    N = 64
+    cell = ti.root.pointer(ti.i, N // block_size)
+    ci32 = ti.type_factory_.get_custom_int_type(32, True)
+    cft = ti.type_factory.custom_float(significand_type=ci32,
+                                       scale=4 / (2**15))
+
+    x = ti.field(dtype=cft)
+    cell.dense(ti.i, block_size)._bit_struct(32).place(x)
+
+    @ti.kernel
+    def assign():
+        for i in x:
+            x[i] = ti.cast(i, float)
+
+    assign()