diff --git a/music_tagmove_lib b/music_tagmove_lib
index 01b2924..6ee6d06 100644
--- a/music_tagmove_lib
+++ b/music_tagmove_lib
@@ -61,7 +61,7 @@ function read_tag_flac {
 	fi
 
 	local comment_line
-	comment_line=$(metaflac --list "$file" --block-type=VORBIS_COMMENT | grep -iE ":\s$tag=" | head)
+	comment_line=$(metaflac --list "$file" --block-type=VORBIS_COMMENT | grep -iE ":\s$tag=" | head -1)
 	if [[ $? -ne 0 ]]; then
 		error "Reading tag \"$1\" from \"$file\" failed: metaflac error"
 		return