diff --git a/internal/discoverer/ipv4/service.go b/internal/discoverer/ipv4/service.go
index 3946e0b..ab1043b 100644
--- a/internal/discoverer/ipv4/service.go
+++ b/internal/discoverer/ipv4/service.go
@@ -26,6 +26,7 @@ func ScanService(port *ocmd.Port, ds *ocmd.DiscoverService, resultChan chan inte
 					Name:           sName,
 					DiscoveredDate: occu.NowPtr(),
 					Port:           port,
+					MetaCryptoType: ocmm.ToMetaCryptoType(ocmm.MetaCryptoTypeEnumUNKNOWN),
 				}
 				resultChan <- s
 			}
@@ -39,6 +40,7 @@ func ScanService(port *ocmd.Port, ds *ocmd.DiscoverService, resultChan chan inte
 					Name:           sName,
 					DiscoveredDate: occu.NowPtr(),
 					Port:           port,
+					MetaCryptoType: ocmm.ToMetaCryptoType(ocmm.MetaCryptoTypeEnumUNKNOWN),
 				}
 				resultChan <- s
 			}