diff --git a/test/vs2019/etl.vcxproj b/test/vs2019/etl.vcxproj
index 90105156..aa94f25b 100644
--- a/test/vs2019/etl.vcxproj
+++ b/test/vs2019/etl.vcxproj
@@ -1321,7 +1321,7 @@
       </PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_LIB;_CRT_SECURE_NO_WARNINGS;_SCL_SECURE_NO_WARNINGS;_SILENCE_CXX17_ADAPTOR_TYPEDEFS_DEPRECATION_WARNING;ETL_NO_STL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_LIB;_CRT_SECURE_NO_WARNINGS;_SCL_SECURE_NO_WARNINGS;_SILENCE_CXX17_ADAPTOR_TYPEDEFS_DEPRECATION_WARNING;ETL_NO_STL;ETL_FORCE_STD_INITIALIZER_LIST;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>./;../../../unittest-cpp/;../../include;../../test</AdditionalIncludeDirectories>
       <UndefinePreprocessorDefinitions>
       </UndefinePreprocessorDefinitions>