diff --git a/idea/idea-completion/src/org/jetbrains/kotlin/idea/completion/LambdaSignatureTemplates.kt b/idea/idea-completion/src/org/jetbrains/kotlin/idea/completion/LambdaSignatureTemplates.kt
index 9403e53dd5a..faf94bf9a64 100644
--- a/idea/idea-completion/src/org/jetbrains/kotlin/idea/completion/LambdaSignatureTemplates.kt
+++ b/idea/idea-completion/src/org/jetbrains/kotlin/idea/completion/LambdaSignatureTemplates.kt
@@ -54,7 +54,7 @@ object LambdaSignatureTemplates {
     ) {
         // we start template later to not interfere with insertion of tail type
         val commandProcessor = CommandProcessor.getInstance()
-        val commandName = commandProcessor.currentCommandName!!
+        val commandName = commandProcessor.currentCommandName ?: "Insert lambda template"
         val commandGroupId = commandProcessor.currentCommandGroupId
 
         val rangeMarker = context.document.createRangeMarker(placeholderRange)