diff --git a/cmd_snapshot.go b/cmd_snapshot.go
index 163a7882..1bab4d60 100644
--- a/cmd_snapshot.go
+++ b/cmd_snapshot.go
@@ -148,6 +148,8 @@ func aptlySnapshotVerify(cmd *commander.Command, args []string) error {
 		packageIndexedList.Append(pL)
 	}
 
+	packageIndexedList.PrepareIndex()
+
 	var architecturesList []string
 
 	architectures := cmd.Flag.Lookup("architectures").Value.String()