diff --git a/src/lib.js b/src/lib.js
index 74f427b..512b97d 100644
--- a/src/lib.js
+++ b/src/lib.js
@@ -103,6 +103,7 @@ self.generateThumbs = () => {
             case "audio/mpeg":
             case "audio/ogg":
 						case "audio/flac":
+						case "audio/x-flac":
             case "image/gif":
               exec('ffmpegthumbnailer -i'+e.dest+' -s1024 -o'+thumbnail, (error) => {
                 if(error) {
diff --git a/src/websrv.js b/src/websrv.js
index 732322f..a0c5210 100644
--- a/src/websrv.js
+++ b/src/websrv.js
@@ -69,7 +69,7 @@ function Websrv(tlib) {
           '.jpg': 'image/jpg',
           '.gif': 'image/gif',
           '.mp3': 'audio/mpeg',
-					'.flac': 'audio/flac',
+					'.flac': 'audio/x-flac',
           '.mp4': 'video/mp4',
           '.webm': 'video/webm',
           '.ogg': 'audio/ogg',
@@ -126,6 +126,7 @@ function Websrv(tlib) {
                 case "audio/mpeg":
                 case "audio/ogg":
 								case "audio/flac":
+								case "audio/x-flac":
                   data.item = 'audio';
                 break;
               }
@@ -180,6 +181,7 @@ function Websrv(tlib) {
             || contentType === "video/quicktime"
             || contentType === "audio/mpeg"
 						|| contentType === "audio/flac"
+						|| contentType === "audio/x-flac"
             || contentType === "audio/ogg") && req.headers['range']) {
             fs.readFile(filePath, "binary", function(err, file) {
 		if(typeof req.headers.range !== 'undefined') {