diff --git a/consutil/lib.py b/consutil/lib.py
index 0172ac5644c5..d1aee008dfd3 100644
--- a/consutil/lib.py
+++ b/consutil/lib.py
@@ -270,8 +270,8 @@ def init_device_prefix():
 
         if os.path.exists(PLUGIN_PATH):
             fp = open(PLUGIN_PATH, 'r')
-            line = fp.readlines()
-            SysInfoProvider.DEVICE_PREFIX = "/dev/" + line[0]
+            lines = fp.readlines()
+            SysInfoProvider.DEVICE_PREFIX = "/dev/" + lines[0].rstrip()
 
     @staticmethod
     def list_console_ttys():