diff --git a/src/main/kotlin/com/chylex/intellij/inspectionlens/editor/EditorLensLineBackground.kt b/src/main/kotlin/com/chylex/intellij/inspectionlens/editor/EditorLensLineBackground.kt
index 7bb1857..4f0cb71 100644
--- a/src/main/kotlin/com/chylex/intellij/inspectionlens/editor/EditorLensLineBackground.kt
+++ b/src/main/kotlin/com/chylex/intellij/inspectionlens/editor/EditorLensLineBackground.kt
@@ -38,7 +38,7 @@ internal value class EditorLensLineBackground(private val highlighter: RangeHigh
 	companion object {
 		fun show(editor: Editor, info: HighlightInfo): EditorLensLineBackground {
 			val startOffset = info.actualStartOffset
-			val endOffset = info.actualEndOffset
+			val endOffset = (info.actualEndOffset - 1).coerceAtLeast(startOffset)
 			
 			val severity = LensSeverity.from(info.severity)
 			val layer = getHighlightLayer(severity)