diff --git a/ndsl/stencils/testing/translate.py b/ndsl/stencils/testing/translate.py
index 2584deb1..c4b33171 100644
--- a/ndsl/stencils/testing/translate.py
+++ b/ndsl/stencils/testing/translate.py
@@ -179,7 +179,7 @@ def make_storage_data_input_vars(self, inputs, storage_vars=None, dict_4d=True):
             if type(inputs_in[p]) in [np.int64, np.int32]:
                 inputs_out[p] = int(inputs_in[p])
             elif type(inputs_in[p]) is bool:
-                inputs_out[p] == inputs_in[p]
+                inputs_out[p] = inputs_in[p]
             else:
                 inputs_out[p] = Float(inputs_in[p])
         for d, info in storage_vars.items():