diff --git a/src/components/panels/Temperature/TemperaturePanelListItem.vue b/src/components/panels/Temperature/TemperaturePanelListItem.vue
index 8adf4f07c..f2a4f56ec 100644
--- a/src/components/panels/Temperature/TemperaturePanelListItem.vue
+++ b/src/components/panels/Temperature/TemperaturePanelListItem.vue
@@ -138,7 +138,7 @@ export default class TemperaturePanelListItem extends Mixins(BaseMixin) {
     }
 
     get color() {
-        return this.$store.getters['printer/tempHistory/getDatasetColor'](this.objectName)
+        return this.$store.getters['printer/tempHistory/getDatasetColor'](this.objectName) ?? ''
     }
 
     get iconColor() {