diff --git a/abalon/spark/sparkutils.py b/abalon/spark/sparkutils.py
index 38fa6dc..384b2dc 100644
--- a/abalon/spark/sparkutils.py
+++ b/abalon/spark/sparkutils.py
@@ -48,7 +48,7 @@ def sparkutils_init (i_spark=None, i_debug=False):
     else:
         # get spark session 'spark' variable from main namespace instead
         try:
-            exec('spark = main_ns.' + spark_var_name)
+            exec('spark = main_ns.' + spark_var_name, globals())
         except AttributeError:
             print("Variable '{}' not found in main namespace".format(spark_var_name))
             raise
diff --git a/abalon/version.py b/abalon/version.py
index 8202015..d128e07 100644
--- a/abalon/version.py
+++ b/abalon/version.py
@@ -12,5 +12,5 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-version = '2.0.4'
+version = '2.0.5'