diff --git a/tests/run_package_grouping_tests.py b/tests/run_package_grouping_tests.py
index fd55a6ed..5735edda 100644
--- a/tests/run_package_grouping_tests.py
+++ b/tests/run_package_grouping_tests.py
@@ -169,7 +169,7 @@
 	- Input containing only symbols (e.g,. ":-)")
 	- Empty input
 	"""
-	vector_testing_input = pd.read_csv("data/cleaned_data/test_vector_edge_cases.csv")
+	vector_testing_input = pd.read_csv("data/cleaned_data/test_vector_edge_cases.csv", encoding='latin-1')
 
 	test_vectors = FeatureBuilder(
 		input_df = vector_testing_input,