diff --git a/bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/source/MatchingCharacterPainter.java b/bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/source/MatchingCharacterPainter.java
index f63a54c6c1d6..aaf0431f96c6 100644
--- a/bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/source/MatchingCharacterPainter.java
+++ b/bundles/org.eclipse.jface.text/src/org/eclipse/jface/text/source/MatchingCharacterPainter.java
@@ -262,12 +262,13 @@ private void draw(final GC gc, final int offset) {
 			// determine the character width separately, because the getTextBounds above
 			// will also include any in-line annotations (e.g. codemining annotations) in the width
 			final String matchingCharacter= fTextWidget.getText(offset, offset);
-			final int width= gc.textExtent(matchingCharacter).x;
-
+			Point sizePoints= gc.textExtent(matchingCharacter);
+			sizePoints.y= sizePoints.y - 1;
 			final int height= fTextWidget.getCaret().getSize().y;
+			Rectangle rectangleOfFloat= Rectangle.of(new Point(bounds.x, bounds.y + bounds.height - height), sizePoints);
 
 			// draw box around line segment
-			gc.drawRectangle(bounds.x, bounds.y + bounds.height - height, width, height - 1);
+			gc.drawRectangle(rectangleOfFloat);
 		} else {
 			fTextWidget.redrawRange(offset, 1, true);
 		}