diff --git a/src/EditorView.swift b/src/EditorView.swift
index 51529ae..525cda1 100644
--- a/src/EditorView.swift
+++ b/src/EditorView.swift
@@ -1142,6 +1142,9 @@ func updateBlockRanges(for textView: NSTextView) {
     }
 
     lm.blockRanges = blocks
+
+    let fullRange = NSRange(location: 0, length: text.length)
+    lm.invalidateDisplay(forCharacterRange: fullRange)
 }
 
 // MARK: - Syntax Highlighting