diff --git a/license-maven-plugin/src/main/java/com/mycila/maven/plugin/license/document/DocumentType.java b/license-maven-plugin/src/main/java/com/mycila/maven/plugin/license/document/DocumentType.java
index b6fac6a7c..4c6ab4a4b 100755
--- a/license-maven-plugin/src/main/java/com/mycila/maven/plugin/license/document/DocumentType.java
+++ b/license-maven-plugin/src/main/java/com/mycila/maven/plugin/license/document/DocumentType.java
@@ -53,7 +53,7 @@ public enum DocumentType {
     ERLANG_HEADER("hrl", HeaderType.PERCENT3_STYLE),
     FORTRAN("f", HeaderType.EXCLAMATION_STYLE),
     FREEMARKER("ftl", HeaderType.FTL),
-    GROOVY("groovy", HeaderType.JAVADOC_STYLE),
+    GROOVY("groovy", HeaderType.SLASHSTAR_STYLE),
     GSP("GSP", HeaderType.XML_STYLE),
     H("h", HeaderType.JAVADOC_STYLE),
     HAML("haml", HeaderType.HAML_STYLE),
@@ -65,7 +65,7 @@ public enum DocumentType {
     JSP("jsp", HeaderType.DYNASCRIPT_STYLE),
     JSPX("jspx", HeaderType.XML_STYLE),
     KML("kml", HeaderType.XML_STYLE),
-    KOTLIN("kt", HeaderType.JAVADOC_STYLE),
+    KOTLIN("kt", HeaderType.SLASHSTAR_STYLE),
     LISP("el", HeaderType.EXCLAMATION3_STYLE),
     LUA("lua", HeaderType.LUA),
     MUSTACHE("mustache", HeaderType.MUSTACHE_STYLE),
@@ -77,7 +77,7 @@ public enum DocumentType {
     PROPERTIES("properties", HeaderType.SCRIPT_STYLE),
     PYTHON("py", HeaderType.SCRIPT_STYLE),
     RUBY("rb", HeaderType.SCRIPT_STYLE),
-    SCALA("scala", HeaderType.JAVADOC_STYLE),
+    SCALA("scala", HeaderType.SLASHSTAR_STYLE),
     SCAML("scaml", HeaderType.HAML_STYLE),
     SCSS("scss", HeaderType.JAVADOC_STYLE),
     SHELL("sh", HeaderType.SCRIPT_STYLE),