diff --git a/.ts/index.js b/.ts/index.js
index 1c0350b..b075495 100644
--- a/.ts/index.js
+++ b/.ts/index.js
@@ -435,6 +435,7 @@ var Controlled = (function (_super) {
         if (this.props.editorWillUnmount) {
             this.props.editorWillUnmount(cm);
         }
+        this.hydrated = false;
     };
     Controlled.prototype.shouldComponentUpdate = function (nextProps, nextState) {
         return !SERVER_RENDERED;
diff --git a/index.js b/index.js
index 4641dfe..8016a6e 100644
--- a/index.js
+++ b/index.js
@@ -454,6 +454,7 @@ var Controlled = function(_super) {
     if (this.props.editorWillUnmount) {
       this.props.editorWillUnmount(cm);
     }
+    this.hydrated = false;
   };
   Controlled.prototype.shouldComponentUpdate = function(nextProps, nextState) {
     return !SERVER_RENDERED;
diff --git a/src/index.tsx b/src/index.tsx
index 435c5a4..c1eb49f 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -611,6 +611,7 @@ export class Controlled extends React.Component<IControlledCodeMirror, any> {
     if (this.props.editorWillUnmount) {
       this.props.editorWillUnmount(cm);
     }
+    this.hydrated = false;
   }
 
   /** @internal */