diff --git a/new-package/elm-review-package-tests/check-previews-compile.js b/new-package/elm-review-package-tests/check-previews-compile.js
index 13699cdc5..be0acc61b 100644
--- a/new-package/elm-review-package-tests/check-previews-compile.js
+++ b/new-package/elm-review-package-tests/check-previews-compile.js
@@ -99,9 +99,10 @@ function checkDepsAreCompatible(exampleConfiguration, previewDependencies) {
 
   const remainingKeys = Object.keys(previewDependencies);
   if (remainingKeys.length > 0) {
+    const extraneousDependencies = remainingKeys.join(', ');
+
     console.error(
-      // prettier-ignore
-      `There are extraneous dependencies in the ${exampleConfiguration}/ configuration: ${remainingKeys.join(', ')}`
+      `There are extraneous dependencies in the ${exampleConfiguration}/ configuration: ${extraneousDependencies}`
     );
     process.exit(1);
   }
diff --git a/test/run-snapshots/elm-review-something-for-new-rule/elm-review-package-tests/check-previews-compile.js b/test/run-snapshots/elm-review-something-for-new-rule/elm-review-package-tests/check-previews-compile.js
index dcafe0169..ee48a13e6 100644
--- a/test/run-snapshots/elm-review-something-for-new-rule/elm-review-package-tests/check-previews-compile.js
+++ b/test/run-snapshots/elm-review-something-for-new-rule/elm-review-package-tests/check-previews-compile.js
@@ -98,9 +98,10 @@ function checkDepsAreCompatible(exampleConfiguration, previewDependencies) {
 
   const remainingKeys = Object.keys(previewDependencies);
   if (remainingKeys.length > 0) {
+    const extraneousDependencies = remainingKeys.join(', ');
+
     console.error(
-      // prettier-ignore
-      `There are extraneous dependencies in the ${exampleConfiguration}/ configuration: ${remainingKeys.join(', ')}`
+      `There are extraneous dependencies in the ${exampleConfiguration}/ configuration: ${extraneousDependencies}`
     );
     process.exit(1);
   }
diff --git a/test/run-snapshots/elm-review-something/elm-review-package-tests/check-previews-compile.js b/test/run-snapshots/elm-review-something/elm-review-package-tests/check-previews-compile.js
index dcafe0169..ee48a13e6 100644
--- a/test/run-snapshots/elm-review-something/elm-review-package-tests/check-previews-compile.js
+++ b/test/run-snapshots/elm-review-something/elm-review-package-tests/check-previews-compile.js
@@ -98,9 +98,10 @@ function checkDepsAreCompatible(exampleConfiguration, previewDependencies) {
 
   const remainingKeys = Object.keys(previewDependencies);
   if (remainingKeys.length > 0) {
+    const extraneousDependencies = remainingKeys.join(', ');
+
     console.error(
-      // prettier-ignore
-      `There are extraneous dependencies in the ${exampleConfiguration}/ configuration: ${remainingKeys.join(', ')}`
+      `There are extraneous dependencies in the ${exampleConfiguration}/ configuration: ${extraneousDependencies}`
     );
     process.exit(1);
   }