diff --git a/server/public/js/chat.js b/server/public/js/chat.js
index faff508..9a2a7f6 100644
--- a/server/public/js/chat.js
+++ b/server/public/js/chat.js
@@ -110,7 +110,7 @@ function onImageClick(e) {
   initPinchZoom(overlay.querySelector('img'));
 }
 
-function onImgThumbDblClick(img) {
+function onImgThumbClick(img) {
   const overlay = document.createElement('div');
   overlay.className = 'fullscreen-overlay';
   overlay.innerHTML = '<img src="' + img.src + '" style="max-width:100%;max-height:100%;object-fit:contain;transition: transform 0.1s; transform-origin: 0 0;" alt="">';
diff --git a/server/public/js/purchases.js b/server/public/js/purchases.js
index 8b3e5d4..b8d765e 100644
--- a/server/public/js/purchases.js
+++ b/server/public/js/purchases.js
@@ -93,7 +93,7 @@ function renderEditAttachments(attachments) {
   }
   container.innerHTML = attachments.map(function(a) {
     return '<div class="attach-thumb-wrap">' +
-      '<img class="attach-thumb" src="' + a.file_path + '" ondblclick="onImgThumbDblClick(this)">' +
+      '<img class="attach-thumb" src="' + a.file_path + '" onclick="onImgThumbClick(this)">' +
       '<button class="attach-del-btn" onclick="deleteAttachment(event, \'' + encodeURIComponent(a.file_path) + '\')">' +
         '<svg viewBox="0 0 24 24"><line x1="18" y1="6" x2="6" y2="18"></line><line x1="6" y1="6" x2="18" y2="18"></line></svg>' +
       '</button>' +