diff --git a/engine/wscript b/engine/wscript
index 5b5b4846..83ae7a00 100644
--- a/engine/wscript
+++ b/engine/wscript
@@ -59,22 +59,21 @@ def build(bld):
 	bld.env = bld.all_envs[get_subproject_name(bld)]
 
 	libs = []
-	source = []
+	source = bld.path.ant_glob([
+	    'common/*.c',
+		'common/imagelib/*.c',
+		'common/soundlib/*.c',
+		'common/soundlib/libmpg/*.c',
+		'server/*.c'])
 
 	# basic build: dedicated only, no dependencies
 	if bld.env.DEST_OS != 'win32':
 		libs += [ 'DL', 'M', 'PTHREAD' ]
+		source += bld.path.ant_glob(['platform/posix/*.c'])
 	else:
 		libs += ['USER32', 'SHELL32', 'GDI32', 'ADVAPI32', 'DBGHELP']
 		source += bld.path.ant_glob(['platform/win32/*.c'])
 
-	source += bld.path.ant_glob([
-		'common/*.c',
-		'common/imagelib/*.c',
-		'common/soundlib/*.c',
-		'common/soundlib/libmpg/*.c',
-		'server/*.c'])
-
 	# add client files and sdl2 library
 	if not bld.env.DEDICATED:
 		libs.append( 'SDL2' )