diff --git a/tensorboard/webapp/runs/views/runs_table/runs_table_component.scss b/tensorboard/webapp/runs/views/runs_table/runs_table_component.scss
index 9ff0fe54e1..7aa9cc3ec3 100644
--- a/tensorboard/webapp/runs/views/runs_table/runs_table_component.scss
+++ b/tensorboard/webapp/runs/views/runs_table/runs_table_component.scss
@@ -127,6 +127,10 @@ $_border-color: #0000001f;
   height: 48px;
   padding: 0 16px 0 21px;
   border-bottom: 1px solid mat-color($tb-foreground, border);
+
+  tb-filter-input {
+    flex-grow: 1;
+  }
 }
 
 // Prevents the table column for checkbox and run_color from growing beyond