diff --git a/package-lock.json b/package-lock.json
index eb810bbb..6b5a2ad0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@d-i-t-a/reader",
-  "version": "2.1.0-beta.10",
+  "version": "2.1.0-beta.11",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@d-i-t-a/reader",
-      "version": "2.1.0-beta.10",
+      "version": "2.1.0-beta.11",
       "license": "Apache-2.0",
       "dependencies": {
         "@types/sass": "^1.43.1",
diff --git a/package.json b/package.json
index 73184592..049682ac 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@d-i-t-a/reader",
-  "version": "2.1.0-beta.10",
+  "version": "2.1.0-beta.11",
   "description": "A viewer application for EPUB files.",
   "repository": "https://github.com/d-i-t-a/R2D2BC",
   "license": "Apache-2.0",
diff --git a/src/modules/mediaoverlays/MediaOverlayModule.ts b/src/modules/mediaoverlays/MediaOverlayModule.ts
index ee580ddb..f931bd5b 100644
--- a/src/modules/mediaoverlays/MediaOverlayModule.ts
+++ b/src/modules/mediaoverlays/MediaOverlayModule.ts
@@ -185,14 +185,14 @@ export class MediaOverlayModule implements ReaderModule {
       );
     } else {
       if (this.audioElement) {
-        await this.audioElement.pause();
+        await this.audioElement?.pause();
       }
       if (this.currentLinks.length > 1 && this.currentLinkIndex === 0) {
         this.currentLinkIndex++;
         await this.playLink();
       } else {
         if (this.settings.autoTurn && this.settings.playing) {
-          this.audioElement.pause();
+          this.audioElement?.pause();
           this.delegate.nextResource();
         } else {
           this.stopReadAloud();
@@ -241,7 +241,7 @@ export class MediaOverlayModule implements ReaderModule {
   pauseReadAloud() {
     if (this.delegate.rights.enableMediaOverlays) {
       this.settings.playing = false;
-      this.audioElement.pause();
+      this.audioElement?.pause();
       if (this.play) this.play.style.removeProperty("display");
       if (this.pause) this.pause.style.display = "none";
     }
@@ -377,9 +377,9 @@ export class MediaOverlayModule implements ReaderModule {
           this.currentLinkIndex++;
           this.playLink();
         } else {
-          this.audioElement.pause();
+          this.audioElement?.pause();
           if (this.settings.autoTurn && this.settings.playing) {
-            this.audioElement.pause();
+            this.audioElement?.pause();
             this.delegate.nextResource();
           } else {
             this.stopReadAloud();
@@ -425,9 +425,9 @@ export class MediaOverlayModule implements ReaderModule {
         this.currentLinkIndex++;
         this.playLink();
       } else {
-        this.audioElement.pause();
+        this.audioElement?.pause();
         if (this.settings.autoTurn && this.settings.playing) {
-          this.audioElement.pause();
+          this.audioElement?.pause();
           this.delegate.nextResource();
         } else {
           this.stopReadAloud();
@@ -449,7 +449,7 @@ export class MediaOverlayModule implements ReaderModule {
     this.mediaOverlayHighlight(undefined);
 
     if (this.audioElement) {
-      this.audioElement.pause();
+      this.audioElement?.pause();
     }
   }
   findNextTextAudioPair(
@@ -645,7 +645,7 @@ export class MediaOverlayModule implements ReaderModule {
       ) as HTMLAudioElement;
 
       if (this.audioElement) {
-        this.audioElement.pause();
+        this.audioElement?.pause();
         this.audioElement.setAttribute("src", "");
         if (this.audioElement.parentNode) {
           this.audioElement.parentNode.removeChild(this.audioElement);
@@ -699,7 +699,7 @@ export class MediaOverlayModule implements ReaderModule {
           await this.playLink();
         } else {
           if (this.settings.autoTurn && this.settings.playing) {
-            this.audioElement.pause();
+            this.audioElement?.pause();
             this.delegate.nextResource();
           } else {
             this.stopReadAloud();