diff --git a/compiler/frontend/src/org/jetbrains/kotlin/psi/addRemoveModifier.kt b/compiler/frontend/src/org/jetbrains/kotlin/psi/addRemoveModifier.kt
index 3079c34b586..cb8aed3438c 100644
--- a/compiler/frontend/src/org/jetbrains/kotlin/psi/addRemoveModifier.kt
+++ b/compiler/frontend/src/org/jetbrains/kotlin/psi/addRemoveModifier.kt
@@ -121,4 +121,5 @@ private val MODIFIERS_TO_REPLACE = mapOf(
 private val MODIFIERS_ORDER = listOf(PUBLIC_KEYWORD, PROTECTED_KEYWORD, PRIVATE_KEYWORD, INTERNAL_KEYWORD,
                                      FINAL_KEYWORD, OPEN_KEYWORD, ABSTRACT_KEYWORD,
                                      OVERRIDE_KEYWORD,
-                                     INNER_KEYWORD, ENUM_KEYWORD, COMPANION_KEYWORD, INFIX_KEYWORD, OPERATOR_KEYWORD)
+                                     INNER_KEYWORD,
+                                     ENUM_KEYWORD, COMPANION_KEYWORD, INFIX_KEYWORD, OPERATOR_KEYWORD, DATA_KEYWORD)