diff --git a/setup.sh b/setup.sh
index 5f9e530..d4cc67b 100644
--- a/setup.sh
+++ b/setup.sh
@@ -79,8 +79,7 @@ function we_have_exactly_one_part () {
                 return 0
                 ;;
             *)
-                printf -- '%s\n' 'Multiple '"${parttype}"' partitions found. We expect exactly one. Cowardly exiting 1 ...'
-                exit 1
+                return 1
                 ;;
         esac
         printf -- '%s\n' 'Partition list does not look valid. Cowardly exiting 1 ...'