diff --git a/internal/rosa/etc.go b/internal/rosa/etc.go
index a69b3fa9..18c9750b 100644
--- a/internal/rosa/etc.go
+++ b/internal/rosa/etc.go
@@ -107,6 +107,8 @@ func init() {
 		a := cureEtc{}
 		if r.ReadUint32() == 0 {
 			a.minimal = true
+		} else {
+			r.Next()
 		}
 		if _, ok := r.Finalise(); ok {
 			panic(pkg.ErrUnexpectedChecksum)