diff --git a/Tests/LoadCommand/CMakeCommands/CMakeLists.txt b/Tests/LoadCommand/CMakeCommands/CMakeLists.txt
index 4c45349150..cf8cb0bb6b 100644
--- a/Tests/LoadCommand/CMakeCommands/CMakeLists.txt
+++ b/Tests/LoadCommand/CMakeCommands/CMakeLists.txt
@@ -4,5 +4,8 @@ IF (MUDSLIDE_TYPE MATCHES MUCHO)
   ADD_DEFINITIONS(-DMUCHO_MUDSLIDE)
 ENDIF (MUDSLIDE_TYPE MATCHES MUCHO)
 
+SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_ANSI_CXXFLAGS}")
+SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${CMAKE_ANSI_CFLAGS}")
+
 INCLUDE_DIRECTORIES(${CMAKE_ROOT}/include ${CMAKE_ROOT}/Source)
 ADD_LIBRARY(cmCMAKE_TEST_COMMAND SHARED cmTestCommand.c)
diff --git a/Tests/LoadCommandOneConfig/CMakeCommands/CMakeLists.txt b/Tests/LoadCommandOneConfig/CMakeCommands/CMakeLists.txt
index 4c45349150..cf8cb0bb6b 100644
--- a/Tests/LoadCommandOneConfig/CMakeCommands/CMakeLists.txt
+++ b/Tests/LoadCommandOneConfig/CMakeCommands/CMakeLists.txt
@@ -4,5 +4,8 @@ IF (MUDSLIDE_TYPE MATCHES MUCHO)
   ADD_DEFINITIONS(-DMUCHO_MUDSLIDE)
 ENDIF (MUDSLIDE_TYPE MATCHES MUCHO)
 
+SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_ANSI_CXXFLAGS}")
+SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${CMAKE_ANSI_CFLAGS}")
+
 INCLUDE_DIRECTORIES(${CMAKE_ROOT}/include ${CMAKE_ROOT}/Source)
 ADD_LIBRARY(cmCMAKE_TEST_COMMAND SHARED cmTestCommand.c)