diff --git a/x-pack/plugins/ml/public/application/jobs/jobs_list/components/start_datafeed_modal/time_range_selector/_time_range_selector.scss b/x-pack/plugins/ml/public/application/jobs/jobs_list/components/start_datafeed_modal/time_range_selector/_time_range_selector.scss
index d946a0cf94032..65a72a1d4a48d 100644
--- a/x-pack/plugins/ml/public/application/jobs/jobs_list/components/start_datafeed_modal/time_range_selector/_time_range_selector.scss
+++ b/x-pack/plugins/ml/public/application/jobs/jobs_list/components/start_datafeed_modal/time_range_selector/_time_range_selector.scss
@@ -46,6 +46,7 @@
       }
       .body {
         display: block;
+        height: 315px;
       }
     }
     & > li.has-body.active {