diff --git a/assets/development/scripts/organization.js b/assets/development/scripts/organization.js
index 71c43e8..5ba95f8 100644
--- a/assets/development/scripts/organization.js
+++ b/assets/development/scripts/organization.js
@@ -164,16 +164,18 @@ let closeModal = () =>  {
   }
 }
 
-navLeft.onclick = () => {
-  if (mediaData.indexOf(currentMedia) === 0) { return; }
-  currentMedia = mediaData[mediaData.indexOf(currentMedia) - 1]
-  fillModal()
-}
+if (document.querySelector('.media-mosaic') != null) {
+  navLeft.onclick = () => {
+    if (mediaData.indexOf(currentMedia) === 0) { return; }
+    currentMedia = mediaData[mediaData.indexOf(currentMedia) - 1]
+    fillModal()
+  }
 
-navRight.onclick = () => {
-  if (mediaData.indexOf(currentMedia) + 1 === mediaData.length) { return; }
-  currentMedia = mediaData[mediaData.indexOf(currentMedia) + 1]
-  fillModal()
+  navRight.onclick = () => {
+    if (mediaData.indexOf(currentMedia) + 1 === mediaData.length) { return; }
+    currentMedia = mediaData[mediaData.indexOf(currentMedia) + 1]
+    fillModal()
+  }
 }
 
 /**