diff --git a/packages/babel-core/src/config/config-descriptors.js b/packages/babel-core/src/config/config-descriptors.js
index 6b31c640d2..a7ea427179 100644
--- a/packages/babel-core/src/config/config-descriptors.js
+++ b/packages/babel-core/src/config/config-descriptors.js
@@ -226,7 +226,7 @@ function createDescriptor(
     // config object, because it can be useful to define them in nested
     // configuration contexts.
     throw new Error(
-      "Plugin/Preset files are not allowed to export objects, only functions.",
+      `Plugin/Preset files are not allowed to export objects, only functions. In ${filepath}`,
     );
   }