diff --git a/packages/babel-core/test/fixtures/transformation/misc/enforce-newline-modules-blacklist/input.js b/packages/babel-core/test/fixtures/transformation/misc/enforce-newline-modules-blacklist/input.mjs
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diff --git a/packages/babel-helper-transform-fixture-test-runner/src/index.js b/packages/babel-helper-transform-fixture-test-runner/src/index.js
index 407a848166..a746d43f5f 100644
--- a/packages/babel-helper-transform-fixture-test-runner/src/index.js
+++ b/packages/babel-helper-transform-fixture-test-runner/src/index.js
@@ -331,7 +331,7 @@ function run(task) {
         filename: self.loc,
         filenameRelative: self.filename,
         sourceFileName: self.filename,
-        sourceType: "unambiguous",
+        sourceType: "script",
         babelrc: false,
       },
       opts,
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