diff --git a/src/artwork.c b/src/artwork.c
index e061aac4..7781c118 100644
--- a/src/artwork.c
+++ b/src/artwork.c
@@ -1016,7 +1016,7 @@ artwork_get_parentdir_image(char *path, int isdir, int max_w, int max_h, int for
 }
 
 static int
-artwork_get_item_path(char *path, char artwork, uint32_t data_kind, int nodir, int max_w, int max_h, int format, struct evbuffer *evbuf)
+artwork_get_item_path(char *path, int artwork, uint32_t data_kind, int nodir, int max_w, int max_h, int format, struct evbuffer *evbuf)
 {
   int ret;
 
diff --git a/src/artwork.h b/src/artwork.h
index cb043f37..fed1bdd3 100644
--- a/src/artwork.h
+++ b/src/artwork.h
@@ -10,9 +10,11 @@
 
 #include <event.h>
 
+/* Get artwork for individual track */
 int
 artwork_get_item(int id, int max_w, int max_h, int format, struct evbuffer *evbuf);
 
+/* Get artwork for album or artist */
 int
 artwork_get_group(int id, int max_w, int max_h, int format, struct evbuffer *evbuf);