diff --git a/notebook/static/terminal/less/terminal.less b/notebook/static/terminal/less/terminal.less
index 167772847..b50b75632 100644
--- a/notebook/static/terminal/less/terminal.less
+++ b/notebook/static/terminal/less/terminal.less
@@ -29,6 +29,7 @@
   }
 
   #terminado-container {
-    margin-top: @page-header-padding;
+    padding-top: @page-header-padding;
+    height: ~"calc(100% - @{page-header-padding})";
   }
 }