diff --git a/taichi_glsl/gui.py b/taichi_glsl/gui.py
index 7d12b3e..882ad95 100644
--- a/taichi_glsl/gui.py
+++ b/taichi_glsl/gui.py
@@ -330,7 +330,7 @@ def iTime(self):
             raise Exception(
                 'Add ``self.define_input()`` to ``on_init`` if you '
                 'wish to use inputs')
-        if ti.inside_kernel():
+        if ti.lang.impl.inside_kernel():
             return ti.subscript(self._iTime, None)
         else:
             return self._iTime[None]
@@ -344,7 +344,7 @@ def iFrame(self):
             raise Exception(
                 'Add ``self.define_input()`` to ``on_init`` if you '
                 'wish to use inputs')
-        if ti.inside_kernel():
+        if ti.lang.impl.inside_kernel():
             return ti.subscript(self._iFrame, None)
         else:
             return self._iFrame[None]
@@ -358,7 +358,7 @@ def iMouse(self):
             raise Exception(
                 'Add ``self.define_input()`` to ``on_init`` if you '
                 'wish to use inputs')
-        if ti.inside_kernel():
+        if ti.lang.impl.inside_kernel():
             return self._iMouse.subscript(None)
         else:
             return self._iMouse[None]
@@ -377,7 +377,7 @@ def iMouseButton(self):
             raise Exception(
                 'Add ``self.define_input()`` to ``on_init`` if you '
                 'wish to use inputs')
-        if ti.inside_kernel():
+        if ti.lang.impl.inside_kernel():
             return self._iMouseButton.subscript(None)
         else:
             return self._iMouseButton[None]
@@ -396,7 +396,7 @@ def iKeyDirection(self):
             raise Exception(
                 'Add ``self.define_input()`` to ``on_init`` if you '
                 'wish to use inputs')
-        if ti.inside_kernel():
+        if ti.lang.impl.inside_kernel():
             return self._iKeyDirection.subscript(None)
         else:
             return self._iKeyDirection[None]
diff --git a/taichi_glsl/vector.py b/taichi_glsl/vector.py
index 35aaf2a..3f138cb 100644
--- a/taichi_glsl/vector.py
+++ b/taichi_glsl/vector.py
@@ -499,7 +499,7 @@ def _vector_getattr(self, key):
 
     else:
         for i, sgn in stk:
-            if ti.inside_kernel():
+            if ti.lang.impl.inside_kernel():
                 t = self.subscript(i) * sgn
                 ret.append(ti.expr_init(t))
             else: