diff --git a/CHANGELOG.md b/CHANGELOG.md
index 44126d8db..55f9ac0d9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,10 @@
 
 <!-- Your comment below this -->
 
+# 7.0.13
+
+- Adds some Debug logs for babel transformation - [@orta][]
+
 # 7.0.12
 
 - Support multi-line import/require statements in Dangerfiles & possibly fix source-mapping for errors - [@fbartho][]
diff --git a/source/runner/jsonToDSL.ts b/source/runner/jsonToDSL.ts
index d18f8e8c3..4a733ec77 100644
--- a/source/runner/jsonToDSL.ts
+++ b/source/runner/jsonToDSL.ts
@@ -69,7 +69,7 @@ const apiForDSL = (dsl: DangerDSLJSONType): OctoKit | BitBucketServerAPI => {
     Object.keys(dsl.settings.github.additionalHeaders).length
   ) {
     if (dsl.settings.github.additionalHeaders.Accept) {
-      options.previews = [dsl.settings.github.additionalHeaders.Accept]
+      options.previews = dsl.settings.github.additionalHeaders.Accept.split(",")
     }
   }
 
diff --git a/source/runner/runners/utils/transpiler.ts b/source/runner/runners/utils/transpiler.ts
index bd88c9403..f5fcb4ad2 100644
--- a/source/runner/runners/utils/transpiler.ts
+++ b/source/runner/runners/utils/transpiler.ts
@@ -134,6 +134,8 @@ export const babelify = (content: string, filename: string, extraPlugins: string
   }
 
   const result = transformSync(content, fileOpts)
+  d("Result from Babel:")
+  d(result)
   return result.code
 }