diff --git a/cli/src/main/scala/scalaxb/compiler/Main.scala b/cli/src/main/scala/scalaxb/compiler/Main.scala
index 82d588135..5fdd7b081 100644
--- a/cli/src/main/scala/scalaxb/compiler/Main.scala
+++ b/cli/src/main/scala/scalaxb/compiler/Main.scala
@@ -116,8 +116,8 @@ object Arguments {
         verbose = true
         c
       }
-      opt[Unit]("use-varargs") text("use var arguments") action { (_, c) =>
-        c.copy(useVarArg = true) }
+      opt[Boolean]("use-varargs") text("use var arguments") action { (x, c) =>
+        c.copy(useVarArg = x) }
       opt[Unit]("generate-lens") text("Generate lenses") action { (_, c) =>
         c.copy(generateLens = true) }
       help("help") text("display this message")
diff --git a/mvn-scalaxb/src/main/java/org/scalaxb/maven/AbstractScalaxbMojo.java b/mvn-scalaxb/src/main/java/org/scalaxb/maven/AbstractScalaxbMojo.java
index d1155be4e..bb82ab5ba 100644
--- a/mvn-scalaxb/src/main/java/org/scalaxb/maven/AbstractScalaxbMojo.java
+++ b/mvn-scalaxb/src/main/java/org/scalaxb/maven/AbstractScalaxbMojo.java
@@ -267,6 +267,11 @@ public File getOutputDirectory() {
     @Parameter
     private boolean generateLens;
 
+    /**
+     * Generate case class repeated parameters as varargs if true or Seq if false
+     */
+    @Parameter(defaultValue = "true")
+    private boolean useVarArgs;
     /**
      * Returns the command line options to be used for scalaxb, excluding the
      * input file names.
@@ -291,6 +296,7 @@ protected List<String> arguments() {
             .flag("--blocking", !async)
             .flag("--lax-any", laxAny)
 	    .flag("--generate-lens", generateLens)
+	    .flag("--use-varargs", useVarArgs)
             .getArguments();
         return unmodifiableList(args);
     }