diff --git a/Tests/FindIconv/Test/CMakeLists.txt b/Tests/FindIconv/Test/CMakeLists.txt
index c59adb3d15..a6243f53f6 100644
--- a/Tests/FindIconv/Test/CMakeLists.txt
+++ b/Tests/FindIconv/Test/CMakeLists.txt
@@ -6,9 +6,11 @@ find_package(Iconv REQUIRED)
 
 add_executable(test_iconv_tgt main.cxx)
 target_link_libraries(test_iconv_tgt Iconv::Iconv)
+target_compile_features(test_iconv_tgt PRIVATE cxx_std_11)
 add_test(NAME test_iconv_tgt COMMAND test_iconv_tgt)
 
 add_executable(test_iconv_var main.cxx)
 target_include_directories(test_iconv_var PRIVATE ${Iconv_INCLUDE_DIRS})
 target_link_libraries(test_iconv_var PRIVATE ${Iconv_LIBRARIES})
+target_compile_features(test_iconv_var PRIVATE cxx_std_11)
 add_test(NAME test_iconv_var COMMAND test_iconv_var)