diff --git a/idea/src/org/jetbrains/jet/plugin/completion/LookupElementFactory.kt b/idea/src/org/jetbrains/jet/plugin/completion/LookupElementFactory.kt
index f0e00710424..943a0bf0e4b 100644
--- a/idea/src/org/jetbrains/jet/plugin/completion/LookupElementFactory.kt
+++ b/idea/src/org/jetbrains/jet/plugin/completion/LookupElementFactory.kt
@@ -83,7 +83,7 @@ public open class LookupElementFactory protected() {
             is ClassDescriptor -> {
                 val typeParams = descriptor.getTypeConstructor().getParameters()
                 if (typeParams.isNotEmpty()) {
-                    element = element.appendTailText("<" + typeParams.map { it.getName().asString() }.joinToString(", ") + ">", true)
+                    element = element.appendTailText(typeParams.map { it.getName().asString() }.joinToString(", ", "<", ">"), true)
                 }
 
                 element = element.appendTailText(" (" + DescriptorUtils.getFqName(descriptor.getContainingDeclaration()) + ")", true)