diff --git a/check_smseagle b/check_smseagle
index f4e7166..8eaae26 100755
--- a/check_smseagle
+++ b/check_smseagle
@@ -19,7 +19,6 @@
 
 from argparse import ArgumentParser
 from urllib.parse import urljoin
-import json
 import os
 import sys
 import urllib3
@@ -150,7 +149,7 @@ def get_strength(response):
     """
     Parse response and returns signal_strength of given modem
     """
-    data = json.loads(response.json())
+    data = response.json()
     return data["signal_strength"]
 
 
@@ -166,7 +165,7 @@ def main(args):
 
     try:
         strength = get_strength(response)
-    except ValueError as parse_exc:
+    except Exception as parse_exc: # pylint: disable=broad-except
         print("[UNKNOWN] - Couldn't evaluate the GSM signal strength", parse_exc)
         return UNKNOWN
 
diff --git a/test_check_smseagle.py b/test_check_smseagle.py
index 40c2a1f..7ce12a4 100644
--- a/test_check_smseagle.py
+++ b/test_check_smseagle.py
@@ -4,6 +4,7 @@
 import unittest.mock as mock
 import sys
 import os
+import json
 
 import check_smseagle
 
@@ -120,9 +121,9 @@ def test_main_ok(self, mock_req):
         # Mock object for HTTP Response
         r = mock.MagicMock()
         # Mocking the JSON method on the response
-        r.json.return_value = """
+        r.json.return_value = json.loads("""
         {"modem_no":1,"signal_strength":66}
-        """
+        """)
         # Set mock HTTP Reposonse as mock_request return value
         mock_req.return_value = r
 
@@ -133,9 +134,9 @@ def test_main_ok(self, mock_req):
     @mock.patch('check_smseagle.make_request')
     def test_main_warn(self, mock_req):
         r = mock.MagicMock()
-        r.json.return_value = """
+        r.json.return_value = json.loads("""
         {"modem_no":1,"signal_strength":9}
-        """
+        """)
         mock_req.return_value = r
 
         args = commandline(['-u', 'http://localhost', '-t', 'token', '-M', '1'])
@@ -145,9 +146,9 @@ def test_main_warn(self, mock_req):
     @mock.patch('check_smseagle.make_request')
     def test_main_critical(self, mock_req):
         r = mock.MagicMock()
-        r.json.return_value = """
+        r.json.return_value = json.loads("""
         {"modem_no":1,"signal_strength":1}
-        """
+        """)
         mock_req.return_value = r
 
         args = commandline(['-u', 'http://localhost', '-t', 'token', '-M', '1'])
@@ -158,9 +159,7 @@ def test_main_critical(self, mock_req):
     @mock.patch('check_smseagle.make_request')
     def test_main_unknown(self, mock_req):
         r = mock.MagicMock()
-        r.json.return_value = """
-        ¯\_ (ツ)_/¯
-        """
+        r.json.side_effect=KeyError('OHNO')
         mock_req.return_value = r
 
         args = commandline(['-u', 'http://localhost', '-t', 'token', '-M', '1'])