diff --git a/Modules/ExternalProject.cmake b/Modules/ExternalProject.cmake
index 085aa0d6e..7070dc470 100644
--- a/Modules/ExternalProject.cmake
+++ b/Modules/ExternalProject.cmake
@@ -1240,6 +1240,9 @@ function(_ep_get_build_command name step cmd_var)
         if("x${step}x" STREQUAL "xTESTx")
           string(REGEX REPLACE "^(.*/)cmake([^/]*)$" "\\1ctest\\2" cmd "${cmd}")
           set(args "")
+          if(CMAKE_CONFIGURATION_TYPES)
+            list(APPEND args -C $<CONFIG>)
+          endif()
         endif()
       endif()
     else()