diff --git a/python/taichi/_kernels.py b/python/taichi/_kernels.py
index 7eddf53736a88..dd7140281b332 100644
--- a/python/taichi/_kernels.py
+++ b/python/taichi/_kernels.py
@@ -264,13 +264,13 @@ def field_fill_python_scope(F: template(), val: template()):
 @kernel
 def snode_deactivate(b: template()):
     for I in grouped(b):
-        deactivate(b, I)
+        deactivate(b, [int(i) for i in I])
 
 
 @kernel
 def snode_deactivate_dynamic(b: template()):
     for I in grouped(b.parent()):
-        deactivate(b, I)
+        deactivate(b, [int(i) for i in I])
 
 
 @kernel