diff --git a/tests/blocklycompiler-test/test.spec.ts b/tests/blocklycompiler-test/test.spec.ts
index b38f4978faab..9e9e7b61b6bc 100644
--- a/tests/blocklycompiler-test/test.spec.ts
+++ b/tests/blocklycompiler-test/test.spec.ts
@@ -63,6 +63,7 @@ pxt.webConfig = {
     runUrl: undefined,
     docsUrl: undefined,
     isStatic: undefined,
+    ocvEnabled: undefined,
 };
 
 class BlocklyCompilerTestHost implements pxt.Host {