diff --git a/lib/core/tools/Convert-IcingaEndpointsToIP.psm1 b/lib/core/tools/Convert-IcingaEndpointsToIP.psm1
index 0131db4..f5201c7 100644
--- a/lib/core/tools/Convert-IcingaEndpointsToIP.psm1
+++ b/lib/core/tools/Convert-IcingaEndpointsToIP.psm1
@@ -49,7 +49,7 @@ function Convert-IcingaEndpointsToIPv4()
                 );
                 $ResolvedNetwork += $entry.Replace($Network.address, $ResolvedIP);
             } catch {
-                $UnresolvedNetwork += $entry;
+                $UnresolvedNetwork += $Network.address;
                 $HasUnresolved      = $TRUE;
             }
         }