diff --git a/extensions/theme-seti/build/update-icon-theme.js b/extensions/theme-seti/build/update-icon-theme.js
index b82a53ecc88..ed22a1fb3c4 100644
--- a/extensions/theme-seti/build/update-icon-theme.js
+++ b/extensions/theme-seti/build/update-icon-theme.js
@@ -31,7 +31,8 @@ let nonBuiltInLanguages = { // { fileNames, extensions }
 	"elixir": { extensions: ['ex'] },
 	"haml": { extensions: ['haml'] },
 	"stylus": { extensions: ['styl'] },
-	"vala": { extensions: ['vala'] }
+	"vala": { extensions: ['vala'] },
+	"todo": { fileNames: ['todo'] }
 }
 
 function getCommitSha(repoId, repoPath) {
diff --git a/extensions/theme-seti/icons/vs-seti-icon-theme.json b/extensions/theme-seti/icons/vs-seti-icon-theme.json
index 3dd08149c79..ad4817d51f7 100644
--- a/extensions/theme-seti/icons/vs-seti-icon-theme.json
+++ b/extensions/theme-seti/icons/vs-seti-icon-theme.json
@@ -1529,7 +1529,8 @@
 		"elixir": "_elixir",
 		"haml": "_haml",
 		"stylus": "_stylus",
-		"vala": "_vala"
+		"vala": "_vala",
+		"todo": "_todo"
 	},
 	"light": {
 		"file": "_default_light",