diff --git a/src/main/java/net/knarcraft/ffmpegconverter/streams/SubtitleStream.java b/src/main/java/net/knarcraft/ffmpegconverter/streams/SubtitleStream.java
index fd8431a..3ba216b 100644
--- a/src/main/java/net/knarcraft/ffmpegconverter/streams/SubtitleStream.java
+++ b/src/main/java/net/knarcraft/ffmpegconverter/streams/SubtitleStream.java
@@ -73,7 +73,8 @@ public class SubtitleStream extends AbstractStream implements StreamObject {
      * @return <p>True if the subtitle is image based.</p>
      */
     private boolean isImageSubtitle() {
-        return codecName != null && getCodecName().equals("hdmv_pgs_subtitle");
+        return codecName != null && (getCodecName().equals("hdmv_pgs_subtitle")
+                || getCodecName().equals("dvd_subtitle"));
     }
 
     /**