diff --git a/scylla/tests/ccm_integration/ccm/ip_allocator.rs b/scylla/tests/ccm_integration/ccm/ip_allocator.rs
index e45d142281..e2fce64fc6 100644
--- a/scylla/tests/ccm_integration/ccm/ip_allocator.rs
+++ b/scylla/tests/ccm_integration/ccm/ip_allocator.rs
@@ -57,7 +57,7 @@ impl NetPrefix {
 
 impl std::fmt::Display for NetPrefix {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        write!(f, "{}", self.0)
+        write!(f, "{}", self.to_str())
     }
 }