diff --git a/aQute.libg/src/aQute/lib/collections/LineCollection.java b/aQute.libg/src/aQute/lib/collections/LineCollection.java
index 435d725b6e..f6bea6a950 100644
--- a/aQute.libg/src/aQute/lib/collections/LineCollection.java
+++ b/aQute.libg/src/aQute/lib/collections/LineCollection.java
@@ -27,7 +27,7 @@ public LineCollection(File in) throws IOException {
 	}
 
 	public LineCollection(Reader reader) throws IOException {
-		this(new BufferedReader(reader));
+		this((reader instanceof BufferedReader) ? (BufferedReader) reader : new BufferedReader(reader));
 	}
 
 	public LineCollection(BufferedReader reader) throws IOException {