diff --git a/src/components/widget-player.jsx b/src/components/widget-player.jsx
index c45c611f4..9c8894086 100644
--- a/src/components/widget-player.jsx
+++ b/src/components/widget-player.jsx
@@ -368,7 +368,7 @@ const WidgetPlayer = ({instanceId, playId, minHeight=0, minWidth=0,showFooter=tr
 		}
 		else if( ! ['react-devtools-content-script', 'react-devtools-bridge', 'react-devtools-inject-backend'].includes(e.data.source)) {
 			throw new Error(
-				`Post message Origin does not match. Expected: ${expectedOrigin}, Actual: ${origin}`
+				`Post message Origin does not match. Expected: ${window.BASE_URL} || ${window.STATIC_CROSSDOMAIN}, Actual: ${origin}`
 			)
 		}
 	}
@@ -544,6 +544,19 @@ const WidgetPlayer = ({instanceId, playId, minHeight=0, minWidth=0,showFooter=tr
 		const min_h = inst.widget.height
 		let desiredHeight = Math.max(h, min_h)
 		setAttributes((oldData) => ({...oldData, height: `${desiredHeight}px`}))
+
+		
+		const params = new URLSearchParams(window.location.search)
+		// The presence of the token param indicates an LTI play. Send the frameResize postMessage to the parent frame (the LMS)
+		if (params.get('token')) {
+			window.parent.postMessage(
+			{
+				subject: 'lti.frameResize',
+    			height: desiredHeight + 60, // add 60 to desiredHeight for footer
+			},
+			'*'
+			)
+		}
 	}
 
 	const _setVerticalScroll = location => {