diff --git a/modules/demux/xiph_metadata.c b/modules/demux/xiph_metadata.c
index ddb36312ef3ffd8cd1fcc694c364a270cb15c863..a88b9b8aa97bbefaef342b9fdd67f47375336a4a 100644
--- a/modules/demux/xiph_metadata.c
+++ b/modules/demux/xiph_metadata.c
@@ -120,6 +120,7 @@ typedef struct chapters_array_t
 
 static seekpoint_t * getChapterEntry( unsigned int i_index, chapters_array_t *p_array )
 {
+    if ( i_index > 4096 ) return NULL;
     if ( i_index >= p_array->i_size )
     {
         unsigned int i_newsize = p_array->i_size;