diff --git a/projects/coreui-angular/src/lib/modal/modal/modal.component.spec.ts b/projects/coreui-angular/src/lib/modal/modal/modal.component.spec.ts
index 8b10774d..98b6facb 100644
--- a/projects/coreui-angular/src/lib/modal/modal/modal.component.spec.ts
+++ b/projects/coreui-angular/src/lib/modal/modal/modal.component.spec.ts
@@ -1146,6 +1146,15 @@ describe('ModalComponent on the server', () => {
   afterEach(() => {
     vi.clearAllTimers();
     vi.useRealTimers();
+    vi.restoreAllMocks();
+  });
+
+  it('should open without moving focus', () => {
+    const focus = vi.spyOn(HTMLElement.prototype, 'focus');
+    component.visible.set(true);
+    fixture.detectChanges();
+    expect(() => vi.runAllTimers()).not.toThrow();
+    expect(focus).not.toHaveBeenCalled();
   });
 
   it('should release the lock and modal-open as it closes, with no render to wait for', () => {
diff --git a/projects/coreui-angular/src/lib/modal/modal/modal.component.ts b/projects/coreui-angular/src/lib/modal/modal/modal.component.ts
index 6482f37f..33764349 100644
--- a/projects/coreui-angular/src/lib/modal/modal/modal.component.ts
+++ b/projects/coreui-angular/src/lib/modal/modal/modal.component.ts
@@ -208,11 +208,13 @@ export class ModalComponent implements OnInit, OnDestroy, AfterViewInit {
     untracked(() => {
       if (visible && afterViewInit) {
         this.#focusBeforeShow = this.#document.activeElement as HTMLElement | null;
-        setTimeout(() => {
-          if (!this.focusTrap()?.focusTrap.focusInitialElement()) {
-            this.#hostElement.nativeElement.focus();
-          }
-        });
+        if (isPlatformBrowser(this.#platformId)) {
+          setTimeout(() => {
+            if (!this.focusTrap()?.focusTrap.focusInitialElement()) {
+              this.#hostElement.nativeElement.focus();
+            }
+          });
+        }
       } else {
         this.#restoreFocus();
       }