diff --git a/devtools/client/sourceeditor/tern/README b/devtools/client/sourceeditor/tern/README
index 90dfd0b04680..d41e7b456454 100644
--- a/devtools/client/sourceeditor/tern/README
+++ b/devtools/client/sourceeditor/tern/README
@@ -8,3 +8,6 @@ Tern is a stand-alone code-analysis engine for JavaScript. It is intended to be
 Currently used version is 0.6.2.  To upgrade, download the latest release from http://ternjs.net/, and copy the files from lib/ into this directory.
 
 You may also need to update the CodeMirror plugin found in devtools/client/sourceeditor/codemirror/addon/tern, but it will most likely work without updating.
+
+Replace instances of `require("acorn")` with `require("acorn/acorn")`
+Replace instances of `acorn/dist/` with `acorn/`
\ No newline at end of file
diff --git a/devtools/client/sourceeditor/tern/infer.js b/devtools/client/sourceeditor/tern/infer.js
index b4a118bbe759..94f0a9518c6e 100755
--- a/devtools/client/sourceeditor/tern/infer.js
+++ b/devtools/client/sourceeditor/tern/infer.js
@@ -14,10 +14,10 @@
 
 (function(root, mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
-    return mod(exports, require("acorn"), require("acorn/dist/acorn_loose"), require("acorn/dist/walk"),
+    return mod(exports, require("acorn/acorn"), require("acorn/acorn_loose"), require("acorn/walk"),
                require("./def"), require("./signal"));
   if (typeof define == "function" && define.amd) // AMD
-    return define(["exports", "acorn/dist/acorn", "acorn/dist/acorn_loose", "acorn/dist/walk", "./def", "./signal"], mod);
+    return define(["exports", "acorn/acorn", "acorn/acorn_loose", "acorn/walk", "./def", "./signal"], mod);
   mod(root.tern || (root.tern = {}), acorn, acorn, acorn.walk, tern.def, tern.signal); // Plain browser env
 })(this, function(exports, acorn, acorn_loose, walk, def, signal) {
   "use strict";
diff --git a/devtools/client/sourceeditor/tern/tern.js b/devtools/client/sourceeditor/tern/tern.js
index 82784e351e59..327797174744 100755
--- a/devtools/client/sourceeditor/tern/tern.js
+++ b/devtools/client/sourceeditor/tern/tern.js
@@ -7,9 +7,9 @@
 (function(root, mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
     return mod(exports, require("./infer"), require("./signal"),
-               require("acorn"), require("acorn/dist/walk"));
+               require("acorn/acorn"), require("acorn/walk"));
   if (typeof define == "function" && define.amd) // AMD
-    return define(["exports", "./infer", "./signal", "acorn/dist/acorn", "acorn/dist/walk"], mod);
+    return define(["exports", "./infer", "./signal", "acorn/acorn", "acorn/walk"], mod);
   mod(root.tern || (root.tern = {}), tern, tern.signal, acorn, acorn.walk); // Plain browser env
 })(this, function(exports, infer, signal, acorn, walk) {
   "use strict";