diff --git a/chrome/content/zotero/xpcom/reader.js b/chrome/content/zotero/xpcom/reader.js
index 98da4d88a4..3a7348e399 100644
--- a/chrome/content/zotero/xpcom/reader.js
+++ b/chrome/content/zotero/xpcom/reader.js
@@ -479,9 +479,10 @@ class ReaderInstance {
 			}
 		}
 		catch (e) {
+			let crash = ['setAnnotation'].includes(message.action);
 			this._postMessage({
-				action: 'error',
-				message: `An error occured during '${message ? message.action : ''}'`,
+				action: crash ? 'crash' : 'error',
+				message: `An error occurred during '${message ? message.action : ''}'`,
 				moreInfo: {
 					message: e.message,
 					stack: e.stack,
diff --git a/pdf-reader b/pdf-reader
index afae0b4fbd..cb9547a4da 160000
--- a/pdf-reader
+++ b/pdf-reader
@@ -1 +1 @@
-Subproject commit afae0b4fbdca16192d217cc0ab702b8ec40a6e1d
+Subproject commit cb9547a4dabe35d60ea258c8343983ba0ca6185e