diff --git a/src/renderer/extensions/vueNodes/components/NodeHeader.vue b/src/renderer/extensions/vueNodes/components/NodeHeader.vue
index 68cb6e706..aa84a7f99 100644
--- a/src/renderer/extensions/vueNodes/components/NodeHeader.vue
+++ b/src/renderer/extensions/vueNodes/components/NodeHeader.vue
@@ -68,9 +68,9 @@
         <IconButton
           v-if="isSubgraphNode"
           v-tooltip.top="enterSubgraphTooltipConfig"
-          size="sm"
           type="transparent"
           data-testid="subgraph-enter-button"
+          class="size-5"
           @click.stop="handleEnterSubgraph"
           @dblclick.stop
         >