diff --git a/Modules/UseEcos.cmake b/Modules/UseEcos.cmake
index be1dfd1d3c47f07426400d9bc2d28c4497ef5cfa..942bc38bb0e6bbb461aa8594c6465168b139e507 100644
--- a/Modules/UseEcos.cmake
+++ b/Modules/UseEcos.cmake
@@ -184,8 +184,8 @@ macro(ECOS_ADD_EXECUTABLE _exe_NAME )
 # when using nmake makefiles, the custom buildtype supresses the default cl.exe flags
 # and the rules for creating objects are adjusted for gcc
    set(CMAKE_BUILD_TYPE CUSTOM_ECOS_BUILD)
-   set(CMAKE_C_COMPILE_OBJECT     "<CMAKE_C_COMPILER>   <FLAGS> -o <OBJECT> -c <SOURCE>")
-   set(CMAKE_CXX_COMPILE_OBJECT   "<CMAKE_CXX_COMPILER> <FLAGS> -o <OBJECT> -c <SOURCE>")
+   set(CMAKE_C_COMPILE_OBJECT     "<CMAKE_C_COMPILER>   <DEFINES> <INCLUDES> <FLAGS> -o <OBJECT> -c <SOURCE>")
+   set(CMAKE_CXX_COMPILE_OBJECT   "<CMAKE_CXX_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -o <OBJECT> -c <SOURCE>")
 # special link commands for ecos-executables
    set(CMAKE_CXX_LINK_EXECUTABLE  "<CMAKE_CXX_COMPILER> <CMAKE_CXX_LINK_FLAGS> <OBJECTS>  -o <TARGET> ${_ecos_EXTRA_LIBS} -nostdlib  -nostartfiles -L${CMAKE_CURRENT_BINARY_DIR}/ecos/install/lib -Ttarget.ld ${ECOS_LD_MCPU}")
    set(CMAKE_C_LINK_EXECUTABLE    "<CMAKE_C_COMPILER>   <CMAKE_C_LINK_FLAGS>   <OBJECTS>  -o <TARGET> ${_ecos_EXTRA_LIBS} -nostdlib  -nostartfiles -L${CMAKE_CURRENT_BINARY_DIR}/ecos/install/lib -Ttarget.ld ${ECOS_LD_MCPU}")