diff --git a/lib/core/src/lib/viewer/components/viewer-render/viewer-render.component.spec.ts b/lib/core/src/lib/viewer/components/viewer-render/viewer-render.component.spec.ts
index 61cbc21d94..61f5a88748 100644
--- a/lib/core/src/lib/viewer/components/viewer-render/viewer-render.component.spec.ts
+++ b/lib/core/src/lib/viewer/components/viewer-render/viewer-render.component.spec.ts
@@ -537,5 +537,16 @@ describe('ViewerComponent', () => {
             expect(component.viewerType).toBe('image');
             expect(component.markAsLoaded).toHaveBeenCalled();
         });
+
+        it('should not show spinner and set viewerType to unknown if subsequent renderer throws an error', () => {
+            component.urlFile = 'some-url.png';
+            fixture.detectChanges();
+            expect(getMainLoader()).not.toBeNull();
+
+            component.onUnsupportedFile();
+            fixture.detectChanges();
+            expect(getMainLoader()).toBeNull();
+            expect(component.viewerType).toBe('unknown');
+        });
     });
 });
diff --git a/lib/core/src/lib/viewer/components/viewer-render/viewer-render.component.ts b/lib/core/src/lib/viewer/components/viewer-render/viewer-render.component.ts
index 6df1f1ae47..fda556f654 100644
--- a/lib/core/src/lib/viewer/components/viewer-render/viewer-render.component.ts
+++ b/lib/core/src/lib/viewer/components/viewer-render/viewer-render.component.ts
@@ -235,6 +235,7 @@ export class ViewerRenderComponent implements OnChanges, OnInit {
 
     onUnsupportedFile() {
         this.viewerType = 'unknown';
+        this.isLoading = false;
     }
 
     onClose() {