diff --git a/lldb/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp b/lldb/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp
index 44f77ef0044f..072fe6aaf0f9 100644
--- a/lldb/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp
+++ b/lldb/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp
@@ -447,7 +447,7 @@ TEST_F(SymbolFilePDBTests, TestClassInNamespace) {
   symfile->ParseDeclsForContext(CompilerDeclContext(
       clang_ast_ctx, static_cast<clang::DeclContext *>(tu)));
 
-  auto ns_namespace = symfile->FindNamespace(ConstString("NS"), nullptr);
+  auto ns_namespace = symfile->FindNamespace(ConstString("NS"), CompilerDeclContext());
   EXPECT_TRUE(ns_namespace.IsValid());
 
   symfile->FindTypes(ConstString("NSClass"), ns_namespace, 0, searched_files,