@@ -304,17 +304,16 @@
 		@throw [OFNotOpenException exceptionWithObject: self];
 
 	return _stream.atEndOfStream;
 }
 
-- (bool)hasDataInReadBuffer
+- (bool)lowlevelHasDataInReadBuffer
 {
 	if (_state == OFGZIPStreamStateData)
-		return (super.hasDataInReadBuffer ||
-		    _inflateStream.hasDataInReadBuffer);
-
-	return (super.hasDataInReadBuffer || _stream.hasDataInReadBuffer);
+		return _inflateStream.hasDataInReadBuffer;
+	else
+		return _stream.hasDataInReadBuffer;
 }
 
 - (void)close
 {
 	if (_stream == nil)