diff --git a/build.py b/build.py
index 623dc4abf3f45d9556e5b06095a61b9126d5fd0e..3509be0282f6f79efb494118c2ab55b284b1ce99 100644
--- a/build.py
+++ b/build.py
@@ -60,12 +60,15 @@ class Build(object):
         self.env["ISCI"] = "0"
         return True
 
-    def set_obs_project(self, obs_standard_prj, obs_epol_prj, obs_extras_prj):
+    def set_obs_project(self, obs_standard_prj, obs_epol_prj, obs_extras_prj, obs_repo_ip):
         """
         obs_standard_prj:
         obs_epo_prj:
         obs_extras_prj:
         """
+        cmd = "sed -i 's/OBS_SERVER_IP=.*/OBS_SERVER_IP=%s/g' script/setup_env.sh" % obs_repo_ip
+        rmsg = os.popen(cmd).read()
+        print(rmsg)
         cmd = "sed -i 's/OBS_STANDARD_PROJECT=.*/OBS_STANDARD_PROJECT=%s/g' script/setup_env.sh" % obs_standard_prj
         rmsg = os.popen(cmd).read()
         print(rmsg)
@@ -173,11 +176,14 @@ if __name__ == "__main__":
                      help="obs epol project", required=True)
     par.add_argument("-ex", "--obs_extras_prj",
                      help="obs extras project", required=True)
+    par.add_argument("-ip", "--obs_repo_ip",
+                     help="obs repo ip", required=True)
     args = par.parse_args()
 
     build = Build()
     build.set_obs_project(args.obs_standard_prj,
-                          args.obs_epol_prj, args.obs_extras_prj)
+                          args.obs_epol_prj, args.obs_extras_prj,
+                          args.obs_repo_ip)
     one_step = args.step_info
     if one_step == "clean":
         ret = build.clean()