diff --git a/abogen/Dockerfile b/abogen/Dockerfile
index 3c7d53b..c4b933e 100644
--- a/abogen/Dockerfile
+++ b/abogen/Dockerfile
@@ -35,7 +35,8 @@ RUN pip install --upgrade pip \
        pip install torch torchvision torchaudio --index-url "$TORCH_INDEX_URL"; \
      fi \
   && pip install --no-cache-dir . \
-    https://github.com/explosion/spacy-models/releases/download/en_core_web_sm-3.8.0/en_core_web_sm-3.8.0-py3-none-any.whl
+    https://github.com/explosion/spacy-models/releases/download/en_core_web_sm-3.8.0/en_core_web_sm-3.8.0-py3-none-any.whl \
+  && pip install --no-cache-dir "mutagen>=1.47.0"
 
 ENV ABOGEN_HOST=0.0.0.0 \
   ABOGEN_PORT=8808
diff --git a/abogen/web/static/dashboard.js b/abogen/web/static/dashboard.js
index 1634a3d..f608fde 100644
--- a/abogen/web/static/dashboard.js
+++ b/abogen/web/static/dashboard.js
@@ -205,8 +205,9 @@ const initDashboard = () => {
   });
 
   document.addEventListener("click", (event) => {
-    const target = event.target;
-    if (!(target instanceof Element)) {
+    const rawTarget = event.target;
+    const target = rawTarget instanceof Element ? rawTarget : rawTarget?.parentElement || null;
+    if (!target) {
       return;
     }
 
diff --git a/abogen/web/static/styles.css b/abogen/web/static/styles.css
index d30b78b..534b74b 100644
--- a/abogen/web/static/styles.css
+++ b/abogen/web/static/styles.css
@@ -1191,6 +1191,21 @@ body {
   cursor: pointer;
   transition: background 0.2s ease, color 0.2s ease;
 }
+.prepare-wizard[data-speaker-step="disabled"] [data-step-key="speakers"] {
+  display: none;
+}
+.prepare-wizard[data-speaker-step="disabled"] [data-speaker-panel="true"] {
+  display: none !important;
+}
+.prepare-wizard[data-speaker-step="enabled"] [data-chapter-action="finalize"] {
+  display: none;
+}
+.prepare-wizard[data-speaker-step="disabled"] [data-chapter-action="continue"] {
+  display: none;
+}
+.prepare-wizard[data-speaker-step="disabled"] [data-chapter-action="finalize"] {
+  display: inline-flex;
+}
 
 .field--file input[type="file"]:hover::file-selector-button,
 .field--file input[type="file"]:focus::file-selector-button,