diff --git a/data/ipmi_variable.py b/data/ipmi_variable.py
index b9958ed..a9f2166 100644
--- a/data/ipmi_variable.py
+++ b/data/ipmi_variable.py
@@ -17,7 +17,7 @@
     "SMBus v2.0": "smbus-v2.0",
     "USB 1.x": "usb-1x",
     "USB 2.x": "usb-2x",
-    "System Interface": "system-interface"
+    "System Interface": "system-interface",
 }