diff --git a/assets/README.md b/assets/README.md
index f8c6f54..f34512a 100644
--- a/assets/README.md
+++ b/assets/README.md
@@ -1,7 +1,6 @@
 This directory contains xterm.js 4.16
 
-To update this to a newer version of xterm.js, run 
-`npm install xterm.js` in a different directory, 
-and copy xterm.js and xterm.js.map and xterm.css here. 
-
-Do the same to three of xterm.js's addons. 
\ No newline at end of file
+To update the xterm library to a newer version of xterm.js, run 
+`npm install xterm.js` in a different directory, and then copy 
+xterm.js and xterm.js.map and xterm.css and the files for three 
+of xterm.js's addons to the external directory. 
\ No newline at end of file
diff --git a/assets/xterm-addon-attach.js b/assets/external/xterm-addon-attach.js
similarity index 100%
rename from assets/xterm-addon-attach.js
rename to assets/external/xterm-addon-attach.js
diff --git a/assets/xterm-addon-attach.js.map b/assets/external/xterm-addon-attach.js.map
similarity index 100%
rename from assets/xterm-addon-attach.js.map
rename to assets/external/xterm-addon-attach.js.map
diff --git a/assets/xterm-addon-fit.js b/assets/external/xterm-addon-fit.js
similarity index 100%
rename from assets/xterm-addon-fit.js
rename to assets/external/xterm-addon-fit.js
diff --git a/assets/xterm-addon-fit.js.map b/assets/external/xterm-addon-fit.js.map
similarity index 100%
rename from assets/xterm-addon-fit.js.map
rename to assets/external/xterm-addon-fit.js.map
diff --git a/assets/xterm-addon-web-links.js b/assets/external/xterm-addon-web-links.js
similarity index 100%
rename from assets/xterm-addon-web-links.js
rename to assets/external/xterm-addon-web-links.js
diff --git a/assets/xterm-addon-web-links.js.map b/assets/external/xterm-addon-web-links.js.map
similarity index 100%
rename from assets/xterm-addon-web-links.js.map
rename to assets/external/xterm-addon-web-links.js.map
diff --git a/assets/xterm.css b/assets/external/xterm.css
similarity index 100%
rename from assets/xterm.css
rename to assets/external/xterm.css
diff --git a/assets/xterm.js b/assets/external/xterm.js
similarity index 100%
rename from assets/xterm.js
rename to assets/external/xterm.js
diff --git a/assets/xterm.js.map b/assets/external/xterm.js.map
similarity index 100%
rename from assets/xterm.js.map
rename to assets/external/xterm.js.map
diff --git a/main.go b/main.go
index b2d1af5..81f7f78 100644
--- a/main.go
+++ b/main.go
@@ -224,7 +224,11 @@ func fileHandler(c *gin.Context, fname string) {
 	} else {
 		//c.HTML interprets the file as HTML file
 		//we do not need that for regular files
-		c.File(fmt.Sprint("./assets/", fname))
+		if strings.HasPrefix(fname, "xterm") {
+			c.File(fmt.Sprint("./assets/external/", fname))
+		} else {
+			c.File(fmt.Sprint("./assets/", fname))
+		}
 	}
 }