diff --git a/foundations/core/packages/core/src/utils.ts b/foundations/core/packages/core/src/utils.ts
index dddc0c07063..7f0fd164f1f 100644
--- a/foundations/core/packages/core/src/utils.ts
+++ b/foundations/core/packages/core/src/utils.ts
@@ -211,7 +211,7 @@ export function fillDefaults<T extends Doc> (
   const baseClass = hierarchy.isDerived(_class, core.class.AttachedDoc) ? core.class.AttachedDoc : core.class.Doc
   const attributes = hierarchy.getAllAttributes(_class, baseClass)
   for (const attribute of attributes) {
-    if (attribute[1].defaultValue !== undefined) {
+    if (attribute[1].defaultValue != null) {
       if ((object as any)[attribute[0]] === undefined) {
         // Clone default value as it might be an object (e.g. array)
         ;(object as any)[attribute[0]] = structuredClone(attribute[1].defaultValue)
diff --git a/models/server-process/src/index.ts b/models/server-process/src/index.ts
index 1949a468878..0de963d6db9 100644
--- a/models/server-process/src/index.ts
+++ b/models/server-process/src/index.ts
@@ -306,7 +306,8 @@ export function createModel (builder: Builder): void {
     txMatch: {
       _class: core.class.TxCreateDoc,
       objectClass: process.class.ProcessCustomEvent
-    }
+    },
+    isAsync: true
   })
 
   builder.createDoc(serverCore.class.Trigger, core.space.Model, {
@@ -314,7 +315,8 @@ export function createModel (builder: Builder): void {
     txMatch: {
       _class: core.class.TxRemoveDoc,
       objectClass: process.class.Execution
-    }
+    },
+    isAsync: true
   })
 
   builder.createDoc(serverCore.class.Trigger, core.space.Model, {
@@ -340,7 +342,8 @@ export function createModel (builder: Builder): void {
     txMatch: {
       _class: { $in: [core.class.TxUpdateDoc, core.class.TxMixin] },
       objectClass: cardPlugin.class.Card
-    }
+    },
+    isAsync: true
   })
 
   builder.createDoc(serverCore.class.Trigger, core.space.Model, {
@@ -348,7 +351,8 @@ export function createModel (builder: Builder): void {
     txMatch: {
       _class: core.class.TxRemoveDoc,
       objectClass: process.class.Process
-    }
+    },
+    isAsync: true
   })
 
   builder.createDoc(serverCore.class.Trigger, core.space.Model, {
@@ -356,14 +360,16 @@ export function createModel (builder: Builder): void {
     txMatch: {
       _class: core.class.TxRemoveDoc,
       objectClass: process.class.State
-    }
+    },
+    isAsync: true
   })
 
   builder.createDoc(serverCore.class.Trigger, core.space.Model, {
     trigger: serverProcess.trigger.OnTransition,
     txMatch: {
       objectClass: process.class.Transition
-    }
+    },
+    isAsync: true
   })
 
   builder.createDoc(serverCore.class.Trigger, core.space.Model, {
@@ -371,6 +377,7 @@ export function createModel (builder: Builder): void {
     txMatch: {
       _class: core.class.TxCreateDoc,
       objectClass: cardPlugin.class.Card
-    }
+    },
+    isAsync: true
   })
 }