diff --git a/esphome/dashboard/static/esphome.css b/esphome/dashboard/static/esphome.css
index 5300e73861..183cfbed39 100644
--- a/esphome/dashboard/static/esphome.css
+++ b/esphome/dashboard/static/esphome.css
@@ -47,6 +47,7 @@ i.very-large {
 }
 
 .log {
+  height: 100%;
   max-height: calc(100% - 56px);
   background-color: #1c1c1c;
   margin-top: 0;