diff --git a/Modules/CMakeFindEclipseCDT4.cmake b/Modules/CMakeFindEclipseCDT4.cmake
index b67e0f09a..85c1fdf5b 100644
--- a/Modules/CMakeFindEclipseCDT4.cmake
+++ b/Modules/CMakeFindEclipseCDT4.cmake
@@ -78,7 +78,7 @@ processorcount(_CMAKE_ECLIPSE_PROCESSOR_COUNT)
 
 # Only set -j if we are under UNIX and if the make-tool used actually has "make" in the name
 # (we may also get here in the future e.g. for ninja)
-if("${_CMAKE_ECLIPSE_PROCESSOR_COUNT}" GREATER 1  AND  UNIX  AND  "${CMAKE_MAKE_PROGRAM}" MATCHES make)
+if("${_CMAKE_ECLIPSE_PROCESSOR_COUNT}" GREATER 1  AND  CMAKE_HOST_UNIX  AND  "${CMAKE_MAKE_PROGRAM}" MATCHES make)
   set(_CMAKE_ECLIPSE_INITIAL_MAKE_ARGS "-j${_CMAKE_ECLIPSE_PROCESSOR_COUNT}")
 endif()