diff --git a/app/session.js b/app/session.js
index 3d2a4d82..c9bf8cfd 100644
--- a/app/session.js
+++ b/app/session.js
@@ -31,6 +31,7 @@ module.exports = class Session extends EventEmitter {
       {
         LANG: app.getLocale().replace('-', '_') + '.UTF-8',
         TERM: 'xterm-256color',
+        COLORTERM: 'truecolor',
         TERM_PROGRAM: productName,
         TERM_PROGRAM_VERSION: version
       },