diff --git a/ng2-components/ng2-activiti-processlist/src/components/activiti-start-process.component.spec.ts b/ng2-components/ng2-activiti-processlist/src/components/activiti-start-process.component.spec.ts
index 3121e72ffb..238409cbdb 100644
--- a/ng2-components/ng2-activiti-processlist/src/components/activiti-start-process.component.spec.ts
+++ b/ng2-components/ng2-activiti-processlist/src/components/activiti-start-process.component.spec.ts
@@ -78,12 +78,20 @@ describe('ActivitiStartProcessInstance', () => {
 
     describe('process definitions list', () => {
 
-        it('should call service to fetch process definitions', () => {
+        it('should call service to fetch process definitions with appId', () => {
             let change = new SimpleChange(null, '123', true);
             component.ngOnChanges({'appId': change});
             fixture.detectChanges();
 
-            expect(getDefinitionsSpy).toHaveBeenCalled();
+            expect(getDefinitionsSpy).toHaveBeenCalledWith('123');
+        });
+
+        it('should call service to fetch process definitions without appId', () => {
+            let change = new SimpleChange(null, null, true);
+            component.ngOnChanges({'appId': change});
+            fixture.detectChanges();
+
+            expect(getDefinitionsSpy).toHaveBeenCalledWith(null);
         });
 
         it('should call service to fetch process definitions with appId when provided', () => {
@@ -167,11 +175,6 @@ describe('ActivitiStartProcessInstance', () => {
             expect(getDefinitionsSpy).toHaveBeenCalledWith(null);
         });
 
-        it('should not reload processes when changes do not include appId input', () => {
-            component.ngOnChanges({});
-            expect(getDefinitionsSpy).not.toHaveBeenCalled();
-        });
-
     });
 
     describe('start process', () => {
diff --git a/ng2-components/ng2-activiti-processlist/src/components/activiti-start-process.component.ts b/ng2-components/ng2-activiti-processlist/src/components/activiti-start-process.component.ts
index ca729cb39e..d76fbb4407 100644
--- a/ng2-components/ng2-activiti-processlist/src/components/activiti-start-process.component.ts
+++ b/ng2-components/ng2-activiti-processlist/src/components/activiti-start-process.component.ts
@@ -65,14 +65,12 @@ export class ActivitiStartProcessInstance implements OnChanges {
     }
 
     ngOnChanges(changes: SimpleChanges) {
-        let appId = changes['appId'];
-        if (appId && (appId.currentValue || appId.currentValue === null)) {
-            this.load(appId.currentValue);
-            return;
-        }
+        let appIdChange = changes['appId'];
+        let appId = appIdChange ? appIdChange.currentValue : null;
+        this.load(appId);
     }
 
-    public load(appId: string) {
+    public load(appId?: string) {
         this.resetSelectedProcessDefinition();
         this.resetErrorMessage();
         this.activitiProcess.getProcessDefinitions(appId).subscribe(