diff --git a/3rdparty/bzip2/wscript b/3rdparty/bzip2/wscript
index 6204ca04..126a3c75 100644
--- a/3rdparty/bzip2/wscript
+++ b/3rdparty/bzip2/wscript
@@ -14,13 +14,14 @@ def configure(conf):
 		conf.define('BZ_UNIX', 1)
 
 def build(bld):
-	bld(features = 'subst', source = 'bzip2/bz_version.h.in', target = 'bzip2/bz_version.h', BZ_VERSION='1.1.0-fwgs')
+	bld(features = 'subst', source = 'bzip2/bz_version.h.in', target = 'bzip2/bz_version.h', BZ_VERSION='1.1.0-fwgs', name = 'bz_version')
 
 	bz_sources = ['bzip2/blocksort.c', 'bzip2/huffman.c', 'bzip2/crctable.c', 'bzip2/randtable.c', 'bzip2/compress.c', 'bzip2/decompress.c', 'bzip2/bzlib.c']
 
 	bld.stlib(
 		source = bz_sources,
 		target = 'bzip2',
+		use = 'bz_version',
 		includes = 'bzip2/',
 		export_includes = 'bzip2/'
 	)
diff --git a/3rdparty/libogg/wscript b/3rdparty/libogg/wscript
index c1411046..026e6073 100644
--- a/3rdparty/libogg/wscript
+++ b/3rdparty/libogg/wscript
@@ -31,6 +31,7 @@ def build(bld):
 
 	bld(
 		features = 'subst',
+		name = 'libogg_config_types',
 		source = 'libogg/include/ogg/config_types.h.in',
 		target = 'libogg/include/ogg/config_types.h',
 		INCLUDE_INTTYPES_H = bld.env.INCLUDE_INTTYPES_H,
@@ -47,6 +48,7 @@ def build(bld):
 	bld.stlib(
 		source = sources,
 		target = 'libogg',
+		use = 'libogg_config_types',
 		includes = ['libogg/include/'],
 		export_includes = ['libogg/include/']
 	)