diff --git a/src/vs/workbench/parts/scm/electron-browser/dirtydiffDecorator.ts b/src/vs/workbench/parts/scm/electron-browser/dirtydiffDecorator.ts
index 102032dc0fe15f254a02389ae9d5c6db93e58449..426aa42688b8843d32cda16007d349caafd5939c 100644
--- a/src/vs/workbench/parts/scm/electron-browser/dirtydiffDecorator.ts
+++ b/src/vs/workbench/parts/scm/electron-browser/dirtydiffDecorator.ts
@@ -243,7 +243,7 @@ class DirtyDiffWidget extends PeekViewWidget {
 
 		const changeType = getChangeType(change);
 		const changeTypeColor = getChangeTypeColor(this.themeService.getTheme(), changeType);
-		this.style({ frameColor: changeTypeColor });
+		this.style({ frameColor: changeTypeColor, arrowColor: changeTypeColor });
 
 		this._actionbarWidget.context = [this.model.modified.uri, this.model.changes, index];
 		this.show(position, height);