diff --git a/idea/ide-common/src/org/jetbrains/kotlin/idea/util/FuzzyType.kt b/idea/ide-common/src/org/jetbrains/kotlin/idea/util/FuzzyType.kt
index d0750c1ad25..19fc9825f80 100644
--- a/idea/ide-common/src/org/jetbrains/kotlin/idea/util/FuzzyType.kt
+++ b/idea/ide-common/src/org/jetbrains/kotlin/idea/util/FuzzyType.kt
@@ -53,7 +53,7 @@ class FuzzyType(
     init {
         if (freeParameters.isNotEmpty()) {
             usedTypeParameters = HashSet()
-            usedTypeParameters!!.addUsedTypeParameters(type)
+            usedTypeParameters.addUsedTypeParameters(type)
             this.freeParameters = freeParameters.filter { it in usedTypeParameters }.toSet()
         }
         else {