diff --git a/extension/.prettierignore b/extension/.prettierignore
index a06f2200d4..b575855f1a 100644
--- a/extension/.prettierignore
+++ b/extension/.prettierignore
@@ -1,4 +1,5 @@
 dist
 .vscode-test
+.wdio-vscode-service
 coverage
 src/test/fixtures/plotsDiff/vega.ts