diff --git a/idea/idea-jvm/src/org/jetbrains/kotlin/idea/quickfix/EnableUnsupportedFeatureFix.kt b/idea/idea-jvm/src/org/jetbrains/kotlin/idea/quickfix/EnableUnsupportedFeatureFix.kt
index e1338bc236f..e2b5f664ad1 100644
--- a/idea/idea-jvm/src/org/jetbrains/kotlin/idea/quickfix/EnableUnsupportedFeatureFix.kt
+++ b/idea/idea-jvm/src/org/jetbrains/kotlin/idea/quickfix/EnableUnsupportedFeatureFix.kt
@@ -81,7 +81,7 @@ sealed class EnableUnsupportedFeatureFix(
             val targetVersion = feature.sinceVersion!!
 
             KotlinCommonCompilerArgumentsHolder.getInstance(project).update {
-                val parsedApiVersion = ApiVersion.parse(apiVersion!!)
+                val parsedApiVersion = apiVersion?.let { ApiVersion.parse(it) }
                 if (parsedApiVersion != null && feature.sinceApiVersion > parsedApiVersion) {
                     if (!checkUpdateRuntime(project, feature.sinceApiVersion)) return@update
                     apiVersion = feature.sinceApiVersion.versionString