diff --git a/src/runtime/typescript/gflib.ts b/src/runtime/typescript/gflib.ts
index 4d5a45cfd..8b7bb0fc5 100644
--- a/src/runtime/typescript/gflib.ts
+++ b/src/runtime/typescript/gflib.ts
@@ -215,7 +215,7 @@ class GFAbstract {
   }
 
   public parseTree(str: string, type: string): Fun | null {
-    let pt = this.parseTree_(str.match(/[\w\'\.\"]+|\(|\)|\?|\:/g) || [], 0)
+    let pt = this.parseTree_(str.match(/[\w\u00C0-\u00FF\'\.\"]+|\(|\)|\?|\:/g) || [], 0)
     return pt ? this.annotate(pt, type) : null
   }
 
diff --git a/src/runtime/typescript/js/gflib.js b/src/runtime/typescript/js/gflib.js
index 1df0b34d4..6fdadcf0e 100644
--- a/src/runtime/typescript/js/gflib.js
+++ b/src/runtime/typescript/js/gflib.js
@@ -172,7 +172,7 @@ var GFAbstract = (function () {
         return t;
     };
     GFAbstract.prototype.parseTree = function (str, type) {
-        var pt = this.parseTree_(str.match(/[\w\'\.\"]+|\(|\)|\?|\:/g) || [], 0);
+        var pt = this.parseTree_(str.match(/[\w\u00C0-\u00FF\'\.\"]+|\(|\)|\?|\:/g) || [], 0);
         return pt ? this.annotate(pt, type) : null;
     };
     GFAbstract.prototype.parseTree_ = function (tokens, prec) {