diff --git a/idea/idea-jvm/src/com/intellij/debugger/streams/kotlin/trace/dsl/KotlinTypes.kt b/idea/idea-jvm/src/com/intellij/debugger/streams/kotlin/trace/dsl/KotlinTypes.kt
index 3844145401f..fd964da8f70 100644
--- a/idea/idea-jvm/src/com/intellij/debugger/streams/kotlin/trace/dsl/KotlinTypes.kt
+++ b/idea/idea-jvm/src/com/intellij/debugger/streams/kotlin/trace/dsl/KotlinTypes.kt
@@ -65,9 +65,14 @@ object KotlinTypes : Types {
     }
   }
 
-  private val primitiveTypesIndex: Map<String, GenericType> = listOf(KotlinTypes.BOOLEAN, KotlinTypes.BYTE, KotlinTypes.INT, KotlinTypes.SHORT,
-      KotlinTypes.CHAR, KotlinTypes.LONG, KotlinTypes.FLOAT, KotlinTypes.DOUBLE).associate { it.genericTypeName to it }
-  private val primitiveArraysIndex: Map<String, ArrayType> = primitiveTypesIndex.asSequence().associate { it.key to array(it.value) }
+  private val primitiveTypesIndex: Map<String, GenericType> =
+      listOf(KotlinTypes.BOOLEAN, KotlinTypes.BYTE, KotlinTypes.INT, KotlinTypes.SHORT,
+          KotlinTypes.CHAR, KotlinTypes.LONG, KotlinTypes.FLOAT, KotlinTypes.DOUBLE)
+          .associate { it.genericTypeName to it }
+
+  private val primitiveArraysIndex: Map<String, ArrayType> = primitiveTypesIndex.asSequence()
+      .map { array(it.value) }
+      .associate { it.genericTypeName to it }
 
   fun primitiveTypeByName(typeName: String): GenericType? = primitiveTypesIndex[typeName]