diff --git a/PHI-CL/data.lua b/PHI-CL/data.lua
index d2f231b..217e0ec 100644
--- a/PHI-CL/data.lua
+++ b/PHI-CL/data.lua
@@ -325,7 +325,7 @@ if (settings.startup['PHI-MI'].value and settings.startup['PHI-MI-GENERIC'].valu
                     type = 'virtual-signal',
                     name = 'signal-' .. v.name,
                     icon = (v.icon and v.icon) or (v.icons and v.icons[1].icon),
-                    icon_size = (v.icons and v.icons[1].icon_size and v.icons[1].icon_size) or 64,
+                    icon_size = ((v.icons and v.icons[1].icon_size and v.icons[1].icon_size) or (v.icon_size and v.icon_size)) or 64,
                     subgroup = 'pictographs',
                     order = 'z[tech]-[' .. v.name .. ']',
                     localised_name = {'technology-name.' .. v.name:gsub('-%d+$', '')}