diff --git a/addon/tern/tern.js b/addon/tern/tern.js
index 99b8a64682..d227d5fa13 100644
--- a/addon/tern/tern.js
+++ b/addon/tern/tern.js
@@ -452,7 +452,7 @@
     var token = cm.getTokenAt(cm.getCursor());
     if (!/\w/.test(token.string)) return showError(ts, cm, "Not at a variable");
     dialog(cm, "New name for " + token.string, function(newName) {
-      ts.request(cm, {type: "rename", newName: newName, fullDocs: true}, function(error, data) {
+      ts.request(cm, {type: "rename", newName: newName, fullDocs: true, caseInsensitive: ts.options.caseInsensitive}, function(error, data) {
         if (error) return showError(ts, cm, error);
         applyChanges(ts, data.changes);
       });