diff --git a/src/components/cylc/WarningIcon.vue b/src/components/cylc/WarningIcon.vue
index 51eeeb6f3..4774217c7 100644
--- a/src/components/cylc/WarningIcon.vue
+++ b/src/components/cylc/WarningIcon.vue
@@ -34,6 +34,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
       :activator="null"
       location="bottom"
       :disabled="!workflow.node.logRecords?.length"
+      :open-delay="400"
     >
       <template
         v-slot:activator="{ props }"