diff --git a/src/features/boards/Board.vue b/src/features/boards/Board.vue
index 7d50aa4..4212988 100644
--- a/src/features/boards/Board.vue
+++ b/src/features/boards/Board.vue
@@ -44,7 +44,7 @@
                             :selectedAction="unref(selectedAction)"
                             @mouseDown="mouseDown"
                             @endDragging="endDragging"
-                            @clickAction="actionId => clickAction(node, actionId)"
+                            @clickAction="(actionId: string) => clickAction(node, actionId)"
                         />
                     </g>
                 </transition-group>
diff --git a/src/features/boards/BoardNode.vue b/src/features/boards/BoardNode.vue
index b4a989e..3268aa7 100644
--- a/src/features/boards/BoardNode.vue
+++ b/src/features/boards/BoardNode.vue
@@ -12,7 +12,7 @@
             :node="node"
             :node-type="nodeType"
             :selected-action="selectedAction"
-            @click-action="actionId => emit('clickAction', actionId)"
+            @click-action="(actionId: string) => emit('clickAction', actionId)"
         />
 
         <g