diff --git a/stx.conf.sample b/stx.conf.sample
index ccea9be6..5f443a82 100644
--- a/stx.conf.sample
+++ b/stx.conf.sample
@@ -7,6 +7,7 @@ proxyserver = opendev.org
 proxyport = 8080
 buildbranch = master
 manifest = default.xml
+ostree_osname = wrlinux
 
 [builder]
 uid = 1000
diff --git a/stx/lib/stx/stx_control.py b/stx/lib/stx/stx_control.py
index 99525d2c..e302b71e 100644
--- a/stx/lib/stx/stx_control.py
+++ b/stx/lib/stx/stx_control.py
@@ -85,6 +85,7 @@ class HandleControlTask:
         sourceslist = self.stxconfig.getConfig('repomgr', 'sourceslist')
         deblist = self.stxconfig.getConfig('repomgr', 'deblist')
         dsclist = self.stxconfig.getConfig('repomgr', 'dsclist')
+        ostree_osname = self.stxconfig.getConfig('project', 'ostree_osname')
         if sourceslist:
             if not (deblist or dsclist):
                 self.logger.warning('*************************************\
@@ -155,6 +156,7 @@ stx-pkgbuilder/configmap/')
                 line = line.replace("@MANIFEST@", manifest)
                 line = line.replace("@HOSTUSERNAME@", hostusername)
                 line = line.replace("@CENGNURL@", cengnurl)
+                line = line.replace("@OSTREE_OSNAME@", ostree_osname)
                 if sourceslist:
                     line = line.replace("@fetch@", "true")
                     line = line.replace("@SOURCESLIST@", sourceslist)
diff --git a/stx/stx-build-tools-chart/stx-builder/configmap/localrc.sample b/stx/stx-build-tools-chart/stx-builder/configmap/localrc.sample
index 4f11a3a3..a4d63f1c 100644
--- a/stx/stx-build-tools-chart/stx-builder/configmap/localrc.sample
+++ b/stx/stx-build-tools-chart/stx-builder/configmap/localrc.sample
@@ -49,3 +49,5 @@ export REPOMGR_URL=http://@PROJECT@-stx-repomgr:8080
 export REPOMGR_DEPLOY_URL=http://@PROJECT@-stx-repomgr:80/
 
 export BUILDER_URL=http://@PROJECT@-stx-pkgbuilder:8080/pkgbuilder/
+
+export OSTREE_OSNAME=@OSTREE_OSNAME@
diff --git a/stx/toCOPY/pkgbuilder/debbuilder.conf b/stx/toCOPY/pkgbuilder/debbuilder.conf
index 0979796d..f7184035 100644
--- a/stx/toCOPY/pkgbuilder/debbuilder.conf
+++ b/stx/toCOPY/pkgbuilder/debbuilder.conf
@@ -25,5 +25,9 @@ $purge_build_directory = 'always';
 $extra_repositories = ['deb [trusted=yes] http://stx-stx-repomgr:80/deb-local-binary bullseye main',
                        'deb [trusted=yes] http://stx-stx-repomgr:80/deb-local-build bullseye main'];
 $log_colour = 1;
+$build_environment = {
+ 'OSTREE_OSNAME' => '@OSTREE_OSNAME@'
+};
+
 
 1;
diff --git a/stx/toCOPY/pkgbuilder/debbuilder.py b/stx/toCOPY/pkgbuilder/debbuilder.py
index 131dca95..efbcc41c 100644
--- a/stx/toCOPY/pkgbuilder/debbuilder.py
+++ b/stx/toCOPY/pkgbuilder/debbuilder.py
@@ -22,6 +22,7 @@ BUILD_ENGINE = 'sbuild'
 DEBDIST = 'bullseye'
 STX_LOCALRC = '/usr/local/bin/stx/stx-localrc'
 SBUILD_CONF = '/etc/sbuild/sbuild.conf'
+ENVIRON_VARS = ['OSTREE_OSNAME']
 
 
 class Debbuilder:
@@ -51,6 +52,7 @@ class Debbuilder:
         self.sbuild_processes = {}
         self.ctlog = None
         self.set_extra_repos()
+        self.set_environ_vars()
 
     @property
     def state(self):
@@ -64,6 +66,21 @@ class Debbuilder:
     def mode(self, mode):
         self._mode = mode
 
+    def set_environ_vars(self):
+        if not os.path.exists(STX_LOCALRC):
+            self.logger.warning('stx-localrc does not exist')
+            return
+
+        for var in ENVIRON_VARS:
+            cmd = "grep '^export *%s=.*' %s | cut -d \\= -f 2" % (var, STX_LOCALRC)
+            process = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
+                                       universal_newlines=True, shell=True)
+            outs, errs = process.communicate()
+            value = outs.strip().split("\n")[0]
+            if value:
+                cmd = "sed -ie 's#@%s@#%s#g' %s" % (var, value, SBUILD_CONF)
+                process = subprocess.Popen(cmd, shell=True, stdout=self.ctlog, stderr=self.ctlog)
+
     def set_extra_repos(self):
         repomgr_url = None
         if not os.path.exists(STX_LOCALRC):