diff --git a/SConstruct b/SConstruct
index 96ce62ae0..32a04de7d 100644
--- a/SConstruct
+++ b/SConstruct
@@ -219,8 +219,13 @@ class Ns3:
 
 			filename = self.get_mod_output (module, variant)
 			if module.executable:
-				module_builder = env.Program (target = filename, source = objects,
-							      LIBPATH=lib_path, LIBS=libs, RPATH=lib_path)
+				if env['PLATFORM'] == 'posix':
+					module_builder = env.Program (target = filename, source = objects,
+								      LIBPATH=lib_path, LIBS=libs, 
+									RPATH=lib_path)
+				else:
+					module_builder = env.Program (target = filename, source = objects,
+								      LIBPATH=lib_path, LIBS=libs)
 			else:
 				if variant.static:
 					module_builder = env.StaticLibrary (target = filename, source = objects)