diff --git a/zefie_wtvp_minisrv/app.js b/zefie_wtvp_minisrv/app.js
index 57cc7c1d..4b247f81 100644
--- a/zefie_wtvp_minisrv/app.js
+++ b/zefie_wtvp_minisrv/app.js
@@ -206,7 +206,7 @@ async function sendRawFile(socket, path) {
     const contypes = wtvmime.getContentType(path);
     let headers = "200 OK\n"
     headers += "Content-Type: " + contypes[0] + "\n";
-    headers += "wtv-modern-content-type" + contypes[1];
+    headers += "wtv-modern-content-type: " + contypes[1];
     fs.readFile(path, null, function (err, data) {
         sendToClient(socket, headers, data);
     });
@@ -1415,7 +1415,7 @@ async function sendToClient(socket, headers_obj, data = null) {
     const eol = "\n";
     let timezone = "-0000";
     let wtv_connection_close = false;
-
+console.log(headers_obj)
     if (typeof (data) === 'undefined' || data === null) data = '';
     if (typeof (headers_obj) === 'string') {
         // string to header object
@@ -1475,6 +1475,7 @@ async function sendToClient(socket, headers_obj, data = null) {
             delete headers_obj[contype_key];
         }
     }
+   
 
     // Add last modified if not a dynamic script
     if (socket_sessions[socket.id]) {
@@ -1525,6 +1526,7 @@ async function sendToClient(socket, headers_obj, data = null) {
             }
         }
     }
+    console.log(compression_type)
 
     // webtvism
     if (headers_obj["minisrv-force-compression"]) {
@@ -1532,6 +1534,10 @@ async function sendToClient(socket, headers_obj, data = null) {
         delete headers_obj["minisrv-force-compression"];
     }
 
+    if (headers_obj["wtv-modern-content-type"]) {
+        delete headers_obj["wtv-modern-content-type"];
+    }
+
     if (socket.res) { // pc mode with response object available
         if (compression_type == 1) compression_type = 2; // wtv-lzpf not supported in pc mode
     }
diff --git a/zefie_wtvp_minisrv/includes/classes/WTVMime.js b/zefie_wtvp_minisrv/includes/classes/WTVMime.js
index b2649a57..da54b4d9 100644
--- a/zefie_wtvp_minisrv/includes/classes/WTVMime.js
+++ b/zefie_wtvp_minisrv/includes/classes/WTVMime.js
@@ -26,7 +26,7 @@ class WTVMime {
         let compression_type = 0; // no compression
         if (ssid_session) {
             if (ssid_session.capabilities) {
-                if (ssid_session.capabilities['client-can-receive-compressed-data']) {
+                if (ssid_session.capabilities.get('client-can-receive-compressed-data')) {
 
                     if (this.minisrv_config.config.enable_lzpf_compression || this.minisrv_config.config.force_compression_type) {
                         compression_type = 1; // lzpf
@@ -61,7 +61,7 @@ class WTVMime {
                     // should we bother to compress?
                     let content_type = "";
                     if (typeof (headers_obj) == 'string') content_type = headers_obj;
-                    else content_type = (typeof (headers_obj["wtv-modern-content-type"]) != 'undefined') ? headers_obj["wtv-modern-content-type"] : headers_obj["Content-type"];
+                    else content_type = (typeof (headers_obj["wtv-modern-content-type"]) !== 'undefined') ? headers_obj["wtv-modern-content-type"] : headers_obj["Content-type"];
 
                     if (content_type) {
                         // both lzpf and gzip
@@ -100,7 +100,7 @@ class WTVMime {
      */
     getContentType(path) {
         const file_ext = this.wtvshared.getFileExt(path).toLowerCase();
-        let wtv_mime_type, modern_mime_type = "";
+        let wtv_mime_type, modern_mime_type;
         // process WebTV overrides, fall back to generic mime lookup
         switch (file_ext) {
             case "aif":
@@ -192,7 +192,7 @@ class WTVMime {
 
         modern_mime_type = this.mime.lookup(path);
         if (modern_mime_type === false) modern_mime_type = "application/octet-stream";
-        if (wtv_mime_type == "") wtv_mime_type = modern_mime_type;
+        if (typeof wtv_mime_type === 'undefined') wtv_mime_type = modern_mime_type;
         return new Array(wtv_mime_type, modern_mime_type);
     }