fixes #148899 (#149182)

1 files changed, 5 insertions, 3 deletions

diff --git a/src/vs/workbench/browser/parts/panel/panelPart.ts b/src/vs/workbench/browser/parts/panel/panelPart.ts
index ec28dd8769c..5ffa3a07bbc 100644
--- a/src/vs/workbench/browser/parts/panel/panelPart.ts
+++ b/src/vs/workbench/browser/parts/panel/panelPart.ts
@@ -378,9 +378,11 @@ export abstract class BasePanelPart extends CompositePart<PaneComposite> impleme
 			contextKey.set(true);
 			this.compositeBar.addComposite({ id: viewContainer.id, name: viewContainer.title, order: viewContainer.order, requestedIndex: viewContainer.requestedIndex });
 
-			const activeComposite = this.getActiveComposite();
-			if (activeComposite === undefined || activeComposite.getId() === viewContainer.id) {
-				this.compositeBar.activateComposite(viewContainer.id);
+			if (this.layoutService.isVisible(this.partId)) {
+				const activeComposite = this.getActiveComposite();
+				if (activeComposite === undefined || activeComposite.getId() === viewContainer.id) {
+					this.compositeBar.activateComposite(viewContainer.id);
+				}
 			}
 
 			this.layoutCompositeBar();