diff --git a/python/jittor/__init__.py b/python/jittor/__init__.py
index 645a65d0..01296439 100644
--- a/python/jittor/__init__.py
+++ b/python/jittor/__init__.py
@@ -8,7 +8,7 @@
 # This file is subject to the terms and conditions defined in
 # file 'LICENSE.txt', which is part of this source code package.
 # ***************************************************************
-__version__ = '1.2.2.44'
+__version__ = '1.2.2.45'
 from . import lock
 with lock.lock_scope():
     ori_int = int
diff --git a/src/ops/array_op.cc b/src/ops/array_op.cc
index bdcbedf6..9e626a2b 100644
--- a/src/ops/array_op.cc
+++ b/src/ops/array_op.cc
@@ -81,8 +81,8 @@ void ArrayOp::jit_prepare(JK& jk) {
 
         // fill or find cbuffer for const var pass
         if (output->dtype().dsize() == 4) {
-            auto x = abs(ptr<int32>()[0]);
-            auto y = abs(ptr<float32>()[0]);
+            auto x = std::abs(ptr<int32>()[0]);
+            auto y = std::abs(ptr<float32>()[0]);
             auto z = ptr<uint32>()[0];
             if ((x<=2) || (y==1.0f || y==2.0f))
                 jk << _CS("[o:") << z << ']';