diff --git a/docs/contents/getting_started/index.md b/docs/contents/getting_started/index.md
index 903362c49..8cd875986 100644
--- a/docs/contents/getting_started/index.md
+++ b/docs/contents/getting_started/index.md
@@ -43,9 +43,9 @@ Before downloading PDF.js please take a moment to understand the different layer
     <p>
       Includes the generic build of PDF.js and the viewer.
     </p>
-    <span class="btn-group-vertical centered">
+    <span class="GROUP_CLASS">
       <a type="button" class="btn btn-primary" href="https://github.com/mozilla/pdf.js/releases/download/vSTABLE_VERSION/pdfjs-STABLE_VERSION-dist.zip">Stable (vSTABLE_VERSION)</a>
-      <a type="button" class="btn btn-warning" href="https://github.com/mozilla/pdf.js/releases/download/vBETA_VERSION/pdfjs-BETA_VERSION-dist.zip">Beta (vBETA_VERSION)</a>
+      <a type="button" class="btn btn-warning HIDDEN_CLASS" href="https://github.com/mozilla/pdf.js/releases/download/vBETA_VERSION/pdfjs-BETA_VERSION-dist.zip">Beta (vBETA_VERSION)</a>
     </span>
   </div>
   <div class="col-md-6">
diff --git a/gulpfile.js b/gulpfile.js
index 469b99ca4..4d37837dd 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -1169,6 +1169,15 @@ gulp.task('wintersmith', ['gh-pages-prepare'], function (done) {
                   /STABLE_VERSION/g, config.stableVersion);
     replaceInFile(GH_PAGES_DIR + '/getting_started/index.html',
                   /BETA_VERSION/g, config.betaVersion);
+
+    // Hide the beta version button if there is only a stable version.
+    const groupClass = config.betaVersion ? 'btn-group-vertical centered' : '';
+    const hiddenClass = config.betaVersion ? '' : 'hidden';
+    replaceInFile(GH_PAGES_DIR + '/getting_started/index.html',
+                  /GROUP_CLASS/g, groupClass);
+    replaceInFile(GH_PAGES_DIR + '/getting_started/index.html',
+                  /HIDDEN_CLASS/g, hiddenClass);
+
     console.log('Done building with wintersmith.');
     done();
   });