diff --git a/package-lock.json b/package-lock.json
index 89fd88e..fb024a1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7421,8 +7421,8 @@
       "integrity": "sha512-SY76gdxa6qJv6Hd+IayKU7FY2BJw+SR+kJyHnwgyUjXCEEFJ7JGcE+HZiYfW4vq76ypaZRnDxTeZkSF3/Z0PJw==",
       "dev": true,
       "requires": {
-        "is-ci": "1.2.0",
-        "npm-merge-driver": "2.3.5"
+        "is-ci": "^1.2.0",
+        "npm-merge-driver": "^2.3.5"
       }
     },
     "npm-path": {
diff --git a/src/plugin.js b/src/plugin.js
index 9da34a6..f0d5727 100644
--- a/src/plugin.js
+++ b/src/plugin.js
@@ -128,11 +128,19 @@ export const handleMsNeedKeyEvent = (event, options, sessions, eventBus) => {
     return;
   }
 
-  sessions.push({ playready: true });
+  let initData = event.initData;
+
+  // Use existing init data from options if provided
+  if (options.keySystems[PLAYREADY_KEY_SYSTEM] &&
+      options.keySystems[PLAYREADY_KEY_SYSTEM].pssh) {
+    initData = options.keySystems[PLAYREADY_KEY_SYSTEM].pssh;
+  }
+
+  sessions.push({ playready: true, initData });
 
   msPrefixed({
     video: event.target,
-    initData: event.initData,
+    initData,
     options,
     eventBus
   });
diff --git a/test/plugin.test.js b/test/plugin.test.js
index 68813e4..cda62b5 100644
--- a/test/plugin.test.js
+++ b/test/plugin.test.js
@@ -195,6 +195,21 @@ QUnit.test('handleEncryptedEvent uses predefined init data', function(assert) {
   });
 });
 
+QUnit.test('handleMsNeedKeyEvent uses predefined init data', function(assert) {
+  const options = {
+    keySystems: {
+      'com.microsoft.playready': {
+        pssh: this.initData1
+      }
+    }
+  };
+  const sessions = [];
+
+  handleMsNeedKeyEvent(this.event2, options, sessions);
+  assert.equal(sessions.length, 1, 'created a session when keySystems in options');
+  assert.deepEqual(sessions[0].initData, this.initData1, 'captured initData in the session');
+});
+
 QUnit.test('handleMsNeedKeyEvent checks for required options', function(assert) {
   const event = {
     // mock video target to prevent errors since it's a pain to mock out the continuation