diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 3aa63cf6..459a77dd 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -169,5 +169,6 @@ if (FMT_PEDANTIC)
     --build-makeprogram ${CMAKE_MAKE_PROGRAM}
     --build-options
     "-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
+    "-DCPP11_FLAG=${CPP11_FLAG}"
     "-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}")
 endif ()
diff --git a/test/add-subdirectory-test/CMakeLists.txt b/test/add-subdirectory-test/CMakeLists.txt
index 5460363a..e99bc673 100644
--- a/test/add-subdirectory-test/CMakeLists.txt
+++ b/test/add-subdirectory-test/CMakeLists.txt
@@ -5,9 +5,11 @@ project(fmt-test)
 add_subdirectory(../.. fmt)
 
 add_executable(library-test "main.cc")
+target_compile_options(library-test PUBLIC ${CPP11_FLAG})
 target_link_libraries(library-test fmt)
 
 if (TARGET fmt-header-only)
   add_executable(header-only-test "main.cc")
+  target_compile_options(header-only-test PUBLIC ${CPP11_FLAG})
   target_link_libraries(header-only-test fmt-header-only)
 endif ()