diff --git a/VERSIONS_HOTLINE/64357 b/VERSIONS_HOTLINE/64357
new file mode 100644
index 0000000000000000000000000000000000000000..22620b5ad0a429a6a66631f5f3f54b882b7924ac
--- /dev/null
+++ b/VERSIONS_HOTLINE/64357
@@ -0,0 +1 @@
+ - ticket #64357 : Correction des problèmes d'affichage sur tablette Apple des popups
\ No newline at end of file
diff --git a/public/opac/js/subModal.js b/public/opac/js/subModal.js
index c6126807a88a1b32c86879966e61b01d8f895711..a7b0c32e6ad3a8ba2cbc382abd8e6a75f76e7cf1 100644
--- a/public/opac/js/subModal.js
+++ b/public/opac/js/subModal.js
@@ -109,20 +109,21 @@
 
   var fixWindowPositionAndWidth = function(dialog) {
     var max_height = Math.round($(window).height() * 0.8);
+    var window_width = Math.round($(window).width());
+    var min_width = 400;
+    
     dialog
       .css('position', 'fixed')
       .css('top', '15%')
-      .css('left', '20%')
-      .css('width', '60%')
+      .css('left', window_width < min_width ? '0' : '20%')
+      .css('width', window_width < min_width ? '100%' : '60%')
       .css('max-height', max_height + 'px')
     
       .find('.ui-dialog-content')
       .css('max-height', (max_height - 50) + 'px')
       .css('width', 'auto')
       .css('overflow-y', 'auto');
-    
-    dialog.position({of: $(window)});
-  }
+    }
 
 
   window.opacShowModal = function(url, width, height, returnFunc, showCloseBox, titleDialog) {