diff --git a/source/net/sourceforge/filebot/subtitle/SubRipReader.java b/source/net/sourceforge/filebot/subtitle/SubRipReader.java
index 05b6e3e7..304d5e3f 100644
--- a/source/net/sourceforge/filebot/subtitle/SubRipReader.java
+++ b/source/net/sourceforge/filebot/subtitle/SubRipReader.java
@@ -29,11 +29,16 @@ public class SubRipReader extends SubtitleReader {
 	protected SubtitleElement readNext() throws Exception {
 		String number = scanner.nextLine();
 		
+		// ignore illegal lines
 		if (!number.matches("\\d+"))
 			return null;
 		
 		String[] interval = scanner.nextLine().split("-->", 2);
 		
+		// ignore illegal lines
+		if (interval.length < 2)
+			return null;
+		
 		long t1 = timeFormat.parse(interval[0].trim()).getTime();
 		long t2 = timeFormat.parse(interval[1].trim()).getTime();