diff --git a/dace/codegen/targets/cpu.py b/dace/codegen/targets/cpu.py
index 2d1c33df44..68c85966b7 100644
--- a/dace/codegen/targets/cpu.py
+++ b/dace/codegen/targets/cpu.py
@@ -699,7 +699,7 @@ def reallocate(
         new_size_array_name = src_node.data
 
         desc = sdfg.arrays[data_name]
-        assert type(data) == dt.Array
+        assert type(desc) == data.Array
         size_array_name = desc.size_desc_name
 
         dtype = sdfg.arrays[data_name].dtype