diff --git a/lib/process-services-cloud/src/lib/form/components/widgets/dropdown/dropdown-cloud.widget.ts b/lib/process-services-cloud/src/lib/form/components/widgets/dropdown/dropdown-cloud.widget.ts
index d5c387554e4..01b2658977c 100644
--- a/lib/process-services-cloud/src/lib/form/components/widgets/dropdown/dropdown-cloud.widget.ts
+++ b/lib/process-services-cloud/src/lib/form/components/widgets/dropdown/dropdown-cloud.widget.ts
@@ -409,7 +409,7 @@ export class DropdownCloudWidgetComponent extends WidgetComponent implements OnI
     }
 
     private isReadOnlyForm(): boolean {
-        return this.field?.form?.readOnly ?? false;
+        return !!this.field?.form?.readOnly;
     }
 
     get isReadOnlyField(): boolean {
diff --git a/lib/process-services/src/lib/form/widgets/dropdown/dropdown.widget.ts b/lib/process-services/src/lib/form/widgets/dropdown/dropdown.widget.ts
index b4361b6c2c1..b3886ee4a43 100644
--- a/lib/process-services/src/lib/form/widgets/dropdown/dropdown.widget.ts
+++ b/lib/process-services/src/lib/form/widgets/dropdown/dropdown.widget.ts
@@ -52,7 +52,7 @@ export class DropdownWidgetComponent extends WidgetComponent implements OnInit {
     }
 
     ngOnInit() {
-        if (this.field?.restUrl && !this.field?.form?.readOnly) {
+        if (this.field?.restUrl && !this.isReadOnlyForm()) {
             if (this.field.form.taskId) {
                 this.getValuesByTaskId();
             } else {
@@ -106,4 +106,8 @@ export class DropdownWidgetComponent extends WidgetComponent implements OnInit {
     get isReadOnlyField(): boolean {
         return this.field.readOnly;
     }
+
+    private isReadOnlyForm(): boolean {
+        return !!this.field?.form?.readOnly;
+    }
 }