diff --git a/spec/text-editor-element-spec.js b/spec/text-editor-element-spec.js
index cb778e3ed..c92c6f144 100644
--- a/spec/text-editor-element-spec.js
+++ b/spec/text-editor-element-spec.js
@@ -349,7 +349,16 @@ describe('TextEditorElement', () => {
       await element.getNextUpdatePromise()
       expect(element.getVisibleRowRange()).toEqual([4, 11])
 
-      expect(element.pixelRectForScreenRange([[2, 3], [13, 11]])).toEqual({top: 34, left: 22, height: 204, width: 57})
+      const top = 2 * editor.getLineHeightInPixels()
+      const bottom = 13 * editor.getLineHeightInPixels()
+      const left = Math.round(3 * editor.getDefaultCharWidth())
+      const right = Math.round(11 * editor.getDefaultCharWidth())
+      expect(element.pixelRectForScreenRange([[2, 3], [13, 11]])).toEqual({
+        top,
+        left,
+        height: bottom + editor.getLineHeightInPixels() - top,
+        width: right - left
+      })
     })
   })
 
diff --git a/src/text-editor-component.js b/src/text-editor-component.js
index ebaf611d8..f0e90e767 100644
--- a/src/text-editor-component.js
+++ b/src/text-editor-component.js
@@ -2667,7 +2667,7 @@ class TextEditorComponent {
 
   getScrollLeftColumn () {
     if (this.hasInitialMeasurements && this.getLongestLineWidth() != null) {
-      return Math.floor(this.getScrollLeft() / this.getBaseCharacterWidth())
+      return Math.round(this.getScrollLeft() / this.getBaseCharacterWidth())
     } else {
       return this.pendingScrollLeftColumn || 0
     }