diff --git a/mne_gui_addons/_ieeg_locate.py b/mne_gui_addons/_ieeg_locate.py
index afd947f..1d3a140 100644
--- a/mne_gui_addons/_ieeg_locate.py
+++ b/mne_gui_addons/_ieeg_locate.py
@@ -38,7 +38,7 @@
 _RADIUS_SCALAR = 0.4
 _TUBE_SCALAR = 0.1
 _BOLT_SCALAR = 30  # mm
-_CH_MENU_WIDTH = 30 if platform.system() == "Windows" else 10
+_CH_MENU_WIDTH = 30 if platform.system() == "Windows" else 15
 
 # 20 colors generated to be evenly spaced in a cube, worked better than
 # matplotlib color cycle