diff --git a/wetb/fast/fast_io.py b/wetb/fast/fast_io.py
index 619a789791d94c969a134c08f546b6bb69589bea..cbb1c3f9d380fbf887d13b0b57c544a6c67a52ae 100644
--- a/wetb/fast/fast_io.py
+++ b/wetb/fast/fast_io.py
@@ -38,7 +38,7 @@ def load_output(filename):
     """
 
     assert os.path.isfile(filename), "File, %s, does not exists" % filename
-    with open(filename, 'r', encoding='utf-8') as f:
+    with open(filename, 'r') as f:
         try:
             f.readline()
         except UnicodeDecodeError:
@@ -46,7 +46,7 @@ def load_output(filename):
     return load_ascii_output(filename)
 
 def load_ascii_output(filename):
-    with open(filename, encoding='utf-8') as f:
+    with open(filename) as f:
         info = {}
         info['name'] = os.path.splitext(os.path.basename(filename))[0]
         try:
diff --git a/wetb/fast/tests/test_fast_io.py b/wetb/fast/tests/test_fast_io.py
index 187dccfb4e4e0dafa34d43680c7b99974b105016..2b658e6bc27c277379b57d3a3c4811ed32c5f5ee 100644
--- a/wetb/fast/tests/test_fast_io.py
+++ b/wetb/fast/tests/test_fast_io.py
@@ -35,6 +35,13 @@ class TestFastIO(unittest.TestCase):
         self.assertEqual(info['attribute_units'][7], 'deg/s^2')
         self.assertAlmostEqual(data[10, 4], 138.822277739535)
 
+    def test_load_output2(self):
+        data, info = load_output(testfilepath + 'DTU10MW2.out')
+        self.assertEqual(info['name'], "DTU10MW2")
+        self.assertEqual(info['attribute_names'][-1], "RotPwr")
+        self.assertEqual(info['attribute_units'][-1], "kW")
+
+
 
 if __name__ == "__main__":
     #import sys;sys.argv = ['', 'Test.testload_output']