diff --git a/src/vs/editor/browser/viewParts/minimap/minimap.ts b/src/vs/editor/browser/viewParts/minimap/minimap.ts
index 7b49f5b0dea..19db0c6b43a 100644
--- a/src/vs/editor/browser/viewParts/minimap/minimap.ts
+++ b/src/vs/editor/browser/viewParts/minimap/minimap.ts
@@ -445,9 +445,9 @@ class RenderData {
 	) {
 		this.renderedLayout = renderedLayout;
 		this._imageData = imageData;
-		this._renderedLines = new RenderedLinesCollection(
-			() => MinimapLine.INVALID
-		);
+		this._renderedLines = new RenderedLinesCollection({
+			createLine: () => MinimapLine.INVALID
+		});
 		this._renderedLines._set(renderedLayout.startLineNumber, lines);
 	}
 
diff --git a/src/vs/editor/test/browser/view/viewLayer.test.ts b/src/vs/editor/test/browser/view/viewLayer.test.ts
index 5203c5a39b6..be227dce112 100644
--- a/src/vs/editor/test/browser/view/viewLayer.test.ts
+++ b/src/vs/editor/test/browser/view/viewLayer.test.ts
@@ -405,7 +405,7 @@ suite('RenderedLinesCollection onLinesInserted', () => {
 	ensureNoDisposablesAreLeakedInTestSuite();
 
 	function testOnModelLinesInserted(insertFromLineNumber: number, insertToLineNumber: number, expectedDeleted: string[], expectedState: ILinesCollectionState): void {
-		const col = new RenderedLinesCollection<TestLine>(() => new TestLine('new'));
+		const col = new RenderedLinesCollection<TestLine>({ createLine: () => new TestLine('new') });
 		col._set(6, [
 			new TestLine('old6'),
 			new TestLine('old7'),
@@ -683,7 +683,7 @@ suite('RenderedLinesCollection onTokensChanged', () => {
 	ensureNoDisposablesAreLeakedInTestSuite();
 
 	function testOnModelTokensChanged(changedFromLineNumber: number, changedToLineNumber: number, expectedPinged: boolean, expectedState: ILinesCollectionState): void {
-		const col = new RenderedLinesCollection<TestLine>(() => new TestLine('new'));
+		const col = new RenderedLinesCollection<TestLine>({ createLine: () => new TestLine('new') });
 		col._set(6, [
 			new TestLine('old6'),
 			new TestLine('old7'),