diff --git a/compiler/testData/ir/irText/expressions/simpleUnaryOperators.kt.txt b/compiler/testData/ir/irText/expressions/simpleUnaryOperators.kt.txt
index c2b7bca047d..cc3c0593ddb 100644
--- a/compiler/testData/ir/irText/expressions/simpleUnaryOperators.kt.txt
+++ b/compiler/testData/ir/irText/expressions/simpleUnaryOperators.kt.txt
@@ -19,6 +19,6 @@ fun test5(x: Boolean): Boolean {
 }
 
 fun test6(): Boolean {
-  return false
+  return true.not()
 }
 
diff --git a/compiler/testData/ir/irText/expressions/simpleUnaryOperators.txt b/compiler/testData/ir/irText/expressions/simpleUnaryOperators.txt
index 5c6a441119a..c3113a636de 100644
--- a/compiler/testData/ir/irText/expressions/simpleUnaryOperators.txt
+++ b/compiler/testData/ir/irText/expressions/simpleUnaryOperators.txt
@@ -28,4 +28,5 @@ FILE fqName:<root> fileName:/simpleUnaryOperators.kt
   FUN name:test6 visibility:public modality:FINAL <> () returnType:kotlin.Boolean
     BLOCK_BODY
       RETURN type=kotlin.Nothing from='public final fun test6 (): kotlin.Boolean declared in <root>'
-        CONST Boolean type=kotlin.Boolean value=false
+        CALL 'public final fun not (): kotlin.Boolean [operator] declared in kotlin.Boolean' type=kotlin.Boolean origin=EXCL
+          $this: CONST Boolean type=kotlin.Boolean value=true