diff --git a/global/overlay/etc/puppet/setup_cosmos_modules b/global/overlay/etc/puppet/setup_cosmos_modules
index e18a52f2..663aefc6 100755
--- a/global/overlay/etc/puppet/setup_cosmos_modules
+++ b/global/overlay/etc/puppet/setup_cosmos_modules
@@ -206,7 +206,7 @@ def main():
         if OS_INFO["VERSION_CODENAME"] == "bullseye":
             pass
 
-    if re.match('^idm-sto\d-qa-', host_info["fqdn"]):
+    if re.match(r'^idm-sto\d-qa-', host_info["fqdn"]):
         modules["sunet"]["tag"] = "jocar-idm-*"
 
     qa_exceptions = ['nic.komreg.net', 'jmp.komreg.net', 'md1.komreg.net']