diff --git a/src/addons/attach/Intefaces.ts b/src/addons/attach/Interfaces.ts
similarity index 100%
rename from src/addons/attach/Intefaces.ts
rename to src/addons/attach/Interfaces.ts
diff --git a/src/addons/attach/attach.ts b/src/addons/attach/attach.ts
index d963a658f..cbfd4a248 100644
--- a/src/addons/attach/attach.ts
+++ b/src/addons/attach/attach.ts
@@ -8,7 +8,7 @@
 /// <reference path="../../../typings/xterm.d.ts"/>
 
 import { Terminal } from 'xterm';
-import { IAttachAddonTerminal } from './Intefaces';
+import { IAttachAddonTerminal } from './Interfaces';
 
 /**
  * Attaches the given terminal to the given socket.
diff --git a/src/addons/terminado/Intefaces.ts b/src/addons/terminado/Interfaces.ts
similarity index 100%
rename from src/addons/terminado/Intefaces.ts
rename to src/addons/terminado/Interfaces.ts
diff --git a/src/addons/terminado/terminado.ts b/src/addons/terminado/terminado.ts
index d5cf72d1b..4acf9dd84 100644
--- a/src/addons/terminado/terminado.ts
+++ b/src/addons/terminado/terminado.ts
@@ -9,7 +9,7 @@
 /// <reference path="../../../typings/xterm.d.ts"/>
 
 import { Terminal } from 'xterm';
-import { ITerminadoAddonTerminal } from './Intefaces';
+import { ITerminadoAddonTerminal } from './Interfaces';
 
 /**
  * Attaches the given terminal to the given socket.