diff --git a/mkclean/mkclean.c b/mkclean/mkclean.c
index 64c60bcf..d5681101 100644
--- a/mkclean/mkclean.c
+++ b/mkclean/mkclean.c
@@ -2526,6 +2526,7 @@ int main(int argc, const char *argv[])
 
                         if (MATROSKA_BlockGetFrameCount(pBlockInfo->Block))
                         {
+                            RemuxErr = ERR_NONE;
                             block_info *prevBlock = NULL;
                             if (ARRAYCOUNT(Alternate3DTracks, block_info*) && ARRAYBEGIN(Alternate3DTracks, block_info*)[*pTrackOrder])
                             {