diff --git a/cli/src/lib/compiler/extensionHelpers.js b/cli/src/lib/compiler/extensionHelpers.js
index 70997a0c4..68978be27 100644
--- a/cli/src/lib/compiler/extensionHelpers.js
+++ b/cli/src/lib/compiler/extensionHelpers.js
@@ -1,4 +1,4 @@
-const extensionPattern = /\.[jt]sx?$/
+const extensionPattern = /(?<!\.d)\.[jt]sx?$/
 const normalizeExtension = (ext) => ext.replace(extensionPattern, '.js')
 
 module.exports.extensionPattern = extensionPattern