diff --git a/core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala b/core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala
index 0fc8c9bd789e0..324f6f8894d34 100644
--- a/core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala
+++ b/core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala
@@ -318,7 +318,7 @@ private[spark] class SparkSubmit extends Logging {
 
       if (!StringUtils.isBlank(resolvedMavenCoordinates)) {
         args.jars = mergeFileLists(args.jars, resolvedMavenCoordinates)
-        if (args.isPython) {
+        if (args.isPython || isInternal(args.primaryResource)) {
           args.pyFiles = mergeFileLists(args.pyFiles, resolvedMavenCoordinates)
         }
       }