diff --git a/llvmDebugInfoC/src/scripts/konan_lldb.py b/llvmDebugInfoC/src/scripts/konan_lldb.py
index 4ab077b3123..19d5c23f2ec 100644
--- a/llvmDebugInfoC/src/scripts/konan_lldb.py
+++ b/llvmDebugInfoC/src/scripts/konan_lldb.py
@@ -66,7 +66,7 @@ def is_instance_of(addr, typeinfo):
     return evaluate("(bool)IsInstance({}, {})".format(addr, typeinfo)).GetValue() == "true"
 
 def is_string_or_array(value):
-    return evaluate("(int)IsInstance({0}, {1}) ? 1 : ((int)Konan_DebugIsArray({0}) ? 2 : 0)".format(lldb_val_to_ptr(value), _symbol_loaded_address('ktype:kotlin.String'))).unsigned
+    return evaluate("(int)IsInstance({0}, {1}) ? 1 : ((int)Konan_DebugIsArray({0}) ? 2 : 0)".format(lldb_val_to_ptr(value), _symbol_loaded_address('kclass:kotlin.String'))).unsigned
 
 def type_info(value):
     """This method checks self-referencing of pointer of first member of TypeInfo including case when object has an