diff --git a/spec/tree-sitter-language-mode-spec.js b/spec/tree-sitter-language-mode-spec.js
index ae3daf83c..a788fac47 100644
--- a/spec/tree-sitter-language-mode-spec.js
+++ b/spec/tree-sitter-language-mode-spec.js
@@ -542,7 +542,7 @@ describe('TreeSitterLanguageMode', () => {
       buffer.setText('foo({bar: baz});')
 
       editor.screenLineForScreenRow(0)
-      expect(editor.scopeDescriptorForBufferPosition({row: 0, column: 6}).getScopesArray()).toEqual([
+      expect(editor.scopeDescriptorForBufferPosition([0, 6]).getScopesArray()).toEqual([
         'javascript',
         'program',
         'expression_statement',
diff --git a/src/tree-sitter-language-mode.js b/src/tree-sitter-language-mode.js
index 5c6a91930..0d2fab8cf 100644
--- a/src/tree-sitter-language-mode.js
+++ b/src/tree-sitter-language-mode.js
@@ -303,6 +303,7 @@ class TreeSitterLanguageMode {
   }
 
   scopeDescriptorForPosition (point) {
+    point = Point.fromObject(point)
     const result = []
     let node = this.document.rootNode.descendantForPosition(point)