diff --git a/backend.native/tests/debugger/src/test/kotlin/org/jetbrains/kotlin/native/test/debugger/DwarfDumpParser.kt b/backend.native/tests/debugger/src/test/kotlin/org/jetbrains/kotlin/native/test/debugger/DwarfDumpParser.kt
index 78ae7418ed5..a1ba0061302 100644
--- a/backend.native/tests/debugger/src/test/kotlin/org/jetbrains/kotlin/native/test/debugger/DwarfDumpParser.kt
+++ b/backend.native/tests/debugger/src/test/kotlin/org/jetbrains/kotlin/native/test/debugger/DwarfDumpParser.kt
@@ -337,7 +337,7 @@ class DwarfUtilParser() {
     fun attribute(attribute: DwarfAttribute.Attribute, payload: String) {
         appendCurrentAttribute()
         currentAttribute = attribute
-        currentAttributePayload.appendln(payload)
+        currentAttributePayload.appendLine(payload)
     }
 
     fun parse(reader: Reader): DwarfUtilParser {