diff --git a/library/battery_management.lib b/library/battery_management.lib
index 5a8a9065..7e43aae8 100644
--- a/library/battery_management.lib
+++ b/library/battery_management.lib
@@ -262,7 +262,7 @@ X BAT 9 500 -100 100 L 50 50 1 1 O
 X SENSE 10 500 0 100 L 50 50 1 1 I
 X BOOST 11 500 100 100 L 50 50 1 1 I
 X SW 12 500 300 100 L 50 50 1 1 O
-X GND 13 0 -500 100 U 50 50 1 1 O
+X GND 13 0 -500 100 U 50 50 1 1 W
 ENDDRAW
 ENDDEF
 #
@@ -291,7 +291,7 @@ X BAT 9 500 -100 100 L 50 50 1 1 O
 X SENSE 10 500 0 100 L 50 50 1 1 I
 X BOOST 11 500 100 100 L 50 50 1 1 I
 X SW 12 500 300 100 L 50 50 1 1 O
-X GND 13 0 -500 100 U 50 50 1 1 O
+X GND 13 0 -500 100 U 50 50 1 1 W
 ENDDRAW
 ENDDEF
 #