diff --git a/librefi/connectors/networkmanager.py b/librefi/connectors/networkmanager.py
index 69c3bf2..1181254 100644
--- a/librefi/connectors/networkmanager.py
+++ b/librefi/connectors/networkmanager.py
@@ -10,7 +10,10 @@ class NetworkManagerConnector:
     NMCLI_BASE = ["nmcli", "--mode", "tabular", "--terse", "--colors", "no"]
 
     def _call_nmcli(self, args, parse=True):
-        subp = subprocess.check_output(self.NMCLI_BASE + args).decode("utf-8")
+        try:
+            subp = subprocess.check_output(self.NMCLI_BASE + args).decode("utf-8")
+        except subprocess.CalledProcessError as err:
+            subp = err.output
 
         if parse:
             # if no output