diff --git a/src/server/visual-diff-plugin.js b/src/server/visual-diff-plugin.js
index 970bf629..c333595c 100644
--- a/src/server/visual-diff-plugin.js
+++ b/src/server/visual-diff-plugin.js
@@ -129,8 +129,7 @@ export function visualDiff({ updateGoldens = false, runSubset = false } = {}) {
 				}
 			}
 
-			const opts = payload.opts || {};
-			opts.margin = opts.margin || DEFAULT_MARGIN;
+			const opts = { margin: DEFAULT_MARGIN, ...payload.opts };
 
 			const page = session.browser.getPage(session.id);
 			await page.screenshot({