1 files changed, 2 insertions, 2 deletions

diff --git a/client/src/app/shared/shared-custom-markup/custom-markup.service.ts b/client/src/app/shared/shared-custom-markup/custom-markup.service.ts
index 729cd296b..cb1110593 100644
--- a/client/src/app/shared/shared-custom-markup/custom-markup.service.ts
+++ b/client/src/app/shared/shared-custom-markup/custom-markup.service.ts
@@ -138,10 +138,10 @@ export class CustomMarkupService {
     const component = this.dynamicElementService.createElement(ButtonMarkupComponent)
 
     const model = {
-      theme: data.theme,
+      theme: data.theme ?? 'primary',
       href: data.href,
       label: data.label,
-      blankTarget: this.buildBoolean(data.blankTarget)
+      blankTarget: this.buildBoolean(data.blankTarget) ?? false
     }
     this.dynamicElementService.setModel(component, model)