diff --git a/framework/core/less/common/Modal.less b/framework/core/less/common/Modal.less
index bff624731..22535e1ef 100644
--- a/framework/core/less/common/Modal.less
+++ b/framework/core/less/common/Modal.less
@@ -201,7 +201,7 @@
     margin: 0;
     -webkit-transform: none !important;
     transform: none !important;
-    top: 100vh;
+    top: 100dvh;
 
     &.fade {
       opacity: 1;
@@ -214,7 +214,7 @@
   .Modal-content {
     border-radius: 0;
     border: 0;
-    min-height: 100vh;
+    min-height: 100dvh;
     padding-top: var(--header-height-phone);
     box-shadow: none;
   }