diff --git a/flac2opus_collection.bash b/flac2opus_collection.bash
index 1fec1aa..5ed9f0e 100755
--- a/flac2opus_collection.bash
+++ b/flac2opus_collection.bash
@@ -156,6 +156,7 @@ iterate_dirs() {
         local item="$(echo "$item" | sed "s/'/'\\\\'/g")"
         if [ -f "$item" ]; then
             new_file="${item/"$INPUT_DIR"/"$OUTPUT_DIR"}"
+            new_file="${new_file/.flac/.oga}"
             if [ ! -f "$new_file" ]; then
                 if [[ "$item" == *".flac" ]]; then
                     ((count+=1))