diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index b0ab19d8..89bce0c0 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -137,11 +137,11 @@ if (FMT_PEDANTIC)
                     "-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}")
 
   # test if the targets are findable when add_subdirectory is used
-  add_test(add_subdirectory-test ${CMAKE_CTEST_COMMAND}
+  add_test(add-subdirectory-test ${CMAKE_CTEST_COMMAND}
     -C ${CMAKE_BUILD_TYPE}
     --build-and-test
-    "${CMAKE_CURRENT_SOURCE_DIR}/add_subdirectory-test"
-    "${CMAKE_CURRENT_BINARY_DIR}/add_subdirectory-test"
+    "${CMAKE_CURRENT_SOURCE_DIR}/add-subdirectory-test"
+    "${CMAKE_CURRENT_BINARY_DIR}/add-subdirectory-test"
     --build-generator ${CMAKE_GENERATOR}
     --build-makeprogram ${CMAKE_MAKE_PROGRAM}
     --build-options "-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}")
diff --git a/test/add_subdirectory-test/CMakeLists.txt b/test/add-subdirectory-test/CMakeLists.txt
similarity index 100%
rename from test/add_subdirectory-test/CMakeLists.txt
rename to test/add-subdirectory-test/CMakeLists.txt
diff --git a/test/add_subdirectory-test/main.cpp b/test/add-subdirectory-test/main.cpp
similarity index 100%
rename from test/add_subdirectory-test/main.cpp
rename to test/add-subdirectory-test/main.cpp