diff --git a/pyopencl/array.py b/pyopencl/array.py
index 2e846e29de1d2c2b27663257ae115e1be80f735d..4e8b52a130a142daee7cfe7204736a022b4cb201 100644
--- a/pyopencl/array.py
+++ b/pyopencl/array.py
@@ -2660,6 +2660,7 @@ def concatenate(arrays, axis=0, queue=None, allocator=None):
                 raise ValueError("%d'th array has residual not matching "
                         "other arrays" % i_ary)
 
+            # pylint: disable=unsupported-assignment-operation
             shape[axis] += ary.shape[axis]
 
     # }}}