diff --git a/fireplace-swing/src/main/java/com/github/bric3/fireplace/flamegraph/FlameGraphPainter.java b/fireplace-swing/src/main/java/com/github/bric3/fireplace/flamegraph/FlameGraphPainter.java
index dc6fede1..a88af81d 100644
--- a/fireplace-swing/src/main/java/com/github/bric3/fireplace/flamegraph/FlameGraphPainter.java
+++ b/fireplace-swing/src/main/java/com/github/bric3/fireplace/flamegraph/FlameGraphPainter.java
@@ -206,8 +206,8 @@ private void paint(Graphics2D g2, Rectangle visibleRect, boolean minimapMode) {
                                                     false,
                                                     selectedFrame != null && (
                                                             frame.stackDepth < selectedFrame.stackDepth
-                                                            || frame.endX < selectedFrame.startX
-                                                            || frame.startX > selectedFrame.endX),
+                                                            || frame.endX <= selectedFrame.startX
+                                                            || frame.startX >= selectedFrame.endX),
                                                     minimapMode),
                                         frameBorderColor,
                                         minimapMode);