diff --git a/runtime/bindings/python/hal.h b/runtime/bindings/python/hal.h
index c8484cd..27c9351 100644
--- a/runtime/bindings/python/hal.h
+++ b/runtime/bindings/python/hal.h
@@ -106,13 +106,13 @@
 
 struct HalShape {
  public:
-  static HalShape FromIntVector(std::vector<int32_t> indices) {
+  static HalShape FromIntVector(std::vector<iree_hal_dim_t> indices) {
     HalShape s;
     s.s = {indices.begin(), indices.end()};
     return s;
   }
 
-  std::vector<int32_t> s;
+  std::vector<iree_hal_dim_t> s;
 };
 
 class HalBufferView
@@ -184,7 +184,7 @@
   }
 
   py::buffer_info ToBufferInfo() {
-    std::vector<int32_t> shape(iree_hal_buffer_view_shape_rank(bv_));
+    std::vector<iree_hal_dim_t> shape(iree_hal_buffer_view_shape_rank(bv_));
     CheckApiStatus(
         iree_hal_buffer_view_shape(bv_, shape.size(), shape.data(), nullptr),
         "Error getting buffer view shape");
diff --git a/runtime/bindings/python/vm.cc b/runtime/bindings/python/vm.cc
index d5b7cc6..9a268c1 100644
--- a/runtime/bindings/python/vm.cc
+++ b/runtime/bindings/python/vm.cc
@@ -318,7 +318,7 @@
 
       // Extract dims from the buffer view.
       size_t rank = 0;
-      std::vector<int32_t> dims(6);
+      std::vector<iree_hal_dim_t> dims(6);
       iree_status_t status = iree_hal_buffer_view_shape(
           buffer_view, dims.capacity(), dims.data(), &rank);
       if (iree_status_is_out_of_range(status)) {
@@ -436,7 +436,8 @@
       } else if (iree_hal_buffer_view_isa(variant.ref)) {
         auto hal_bv = iree_hal_buffer_view_deref(variant.ref);
         out += "HalBufferView(";
-        std::vector<int32_t> shape(iree_hal_buffer_view_shape_rank(hal_bv));
+        std::vector<iree_hal_dim_t> shape(
+            iree_hal_buffer_view_shape_rank(hal_bv));
         iree_hal_buffer_view_shape(hal_bv, shape.size(), shape.data(), nullptr);
         for (size_t i = 0; i < shape.size(); ++i) {
           if (i > 0) out += 'x';