2 files changed, 3 insertions, 2 deletions

diff --git a/client/src/app/modal/instance-config-warning-modal.component.ts b/client/src/app/modal/instance-config-warning-modal.component.ts
index 742a7dd41..5e1433548 100644
--- a/client/src/app/modal/instance-config-warning-modal.component.ts
+++ b/client/src/app/modal/instance-config-warning-modal.component.ts
@@ -24,7 +24,7 @@ export class InstanceConfigWarningModalComponent {
   show (about: About) {
     this.about = about
 
-    const ref = this.modalService.open(this.modal)
+    const ref = this.modalService.open(this.modal, { centered: true })
 
     ref.result.finally(() => {
       if (this.stopDisplayModal === true) this.doNotOpenAgain()
diff --git a/client/src/app/modal/welcome-modal.component.ts b/client/src/app/modal/welcome-modal.component.ts
index 19a147b85..e022776e3 100644
--- a/client/src/app/modal/welcome-modal.component.ts
+++ b/client/src/app/modal/welcome-modal.component.ts
@@ -18,7 +18,8 @@ export class WelcomeModalComponent {
   ) { }
 
   show () {
-    this.modalService.open(this.modal,{
+    this.modalService.open(this.modal, {
+      centered: true,
       backdrop: 'static',
       keyboard: false,
       size: 'lg'