diff --git a/infrastructure-playbooks/shrink-osd.yml b/infrastructure-playbooks/shrink-osd.yml
index 59842e7b4..e71e53178 100644
--- a/infrastructure-playbooks/shrink-osd.yml
+++ b/infrastructure-playbooks/shrink-osd.yml
@@ -100,7 +100,7 @@
 
   - set_fact: ips="{{ ip_result.results | map(attribute='ansible_facts.ip_item') | list }}"
 
-  - set_fact: real_ips="{{ ips | regex_replace(':[0-9][0-9][0-9][0-9]\/[0-9][0-9][0-9][0-9]', '') }}"
+  - set_fact: real_ips="{{ ips | regex_replace(':[0-9][0-9][0-9][0-9]\/[0-9]+', '') }}"
 
   - name: check if ceph admin key exists on the osd nodes
     stat: