diff --git a/ui-ngx/src/app/modules/home/components/calculated-fields/calculated-fields-table-config.ts b/ui-ngx/src/app/modules/home/components/calculated-fields/calculated-fields-table-config.ts
index e5e4063c21..e32bdc1188 100644
--- a/ui-ngx/src/app/modules/home/components/calculated-fields/calculated-fields-table-config.ts
+++ b/ui-ngx/src/app/modules/home/components/calculated-fields/calculated-fields-table-config.ts
@@ -253,7 +253,7 @@ export class CalculatedFieldsTableConfig extends EntityTableConfig<CalculatedFie
       });
   }
 
-  private getCalculatedFieldDialog(value?: CalculatedFieldsTableEntity, buttonTitle = 'action.add', isDirty = false): Observable<CalculatedField> {
+  private getCalculatedFieldDialog(value?: CalculatedFieldsTableEntity, buttonTitle = 'action.add', isDirty = false, disabledSelectType = false): Observable<CalculatedField> {
     const entityId = this.entityId || value?.entityId;
     const entityName = this.entityName || (value as CalculatedFieldInfo)?.entityName;
     return this.dialog.open<CalculatedFieldDialogComponent, CalculatedFieldDialogData, CalculatedField>(CalculatedFieldDialogComponent, {
@@ -269,6 +269,7 @@ export class CalculatedFieldsTableConfig extends EntityTableConfig<CalculatedFie
         additionalDebugActionConfig: this.additionalDebugActionConfig,
         getTestScriptDialogFn: this.getTestScriptDialog.bind(this),
         isDirty,
+        disabledSelectType
       },
       enterAnimationDuration: isDirty ? 0 : null,
     })
@@ -344,7 +345,7 @@ export class CalculatedFieldsTableConfig extends EntityTableConfig<CalculatedFie
           }
           return of(calculatedField);
         }),
-        switchMap(calculatedField => this.getCalculatedFieldDialog(this.updateImportedCalculatedField(calculatedField), 'action.add', true)),
+        switchMap(calculatedField => this.getCalculatedFieldDialog(this.updateImportedCalculatedField(calculatedField), 'action.add', true, true)),
         filter(Boolean),
         switchMap(calculatedField => this.calculatedFieldsService.saveCalculatedField(calculatedField)),
         filter(Boolean),
diff --git a/ui-ngx/src/app/modules/home/components/calculated-fields/components/dialog/calculated-field-dialog.component.ts b/ui-ngx/src/app/modules/home/components/calculated-fields/components/dialog/calculated-field-dialog.component.ts
index 28a028eacc..ee38fb2a2d 100644
--- a/ui-ngx/src/app/modules/home/components/calculated-fields/components/dialog/calculated-field-dialog.component.ts
+++ b/ui-ngx/src/app/modules/home/components/calculated-fields/components/dialog/calculated-field-dialog.component.ts
@@ -50,6 +50,7 @@ export interface CalculatedFieldDialogData {
   additionalDebugActionConfig: AdditionalDebugActionConfig<(calculatedField: CalculatedField) => void>;
   getTestScriptDialogFn: CalculatedFieldTestScriptFn;
   isDirty?: boolean;
+  disabledSelectType?: boolean;
 }
 
 @Component({
@@ -106,10 +107,14 @@ export class CalculatedFieldDialogComponent extends DialogComponent<CalculatedFi
         }
       });
     }
+
+    if (this.data.disabledSelectType) {
+      this.fieldFormGroup.get('type').disable({emitEvent: false});
+    }
   }
 
   get fromGroupValue(): CalculatedField {
-    return deepTrim(this.fieldFormGroup.value as CalculatedField);
+    return deepTrim(this.fieldFormGroup.getRawValue() as CalculatedField);
   }
 
   cancel(): void {