diff --git a/lib_xua/module_build_info b/lib_xua/module_build_info
index fdf467e3..9cfde05a 100644
--- a/lib_xua/module_build_info
+++ b/lib_xua/module_build_info
@@ -17,6 +17,9 @@ VERSION = 0.1.2
 
 DEPENDENT_MODULES = lib_logging(>=2.1.0) lib_xud(>=0.1.0)
 
+#ignore host dir
+SOURCE_DIRS = src
+
 #core
 EXCLUDE_FILES += descriptors_2.rst
 XCC_FLAGS_xua_endpoint0.c = -Os -mno-dual-issue $(XCC_FLAGS)