diff --git a/app/src/main/java/org/androidbootmanager/app/util/SDUtils.java b/app/src/main/java/org/androidbootmanager/app/util/SDUtils.java
index e7e11995..ea8aa962 100644
--- a/app/src/main/java/org/androidbootmanager/app/util/SDUtils.java
+++ b/app/src/main/java/org/androidbootmanager/app/util/SDUtils.java
@@ -154,6 +154,7 @@ public static String umsd(SDPartitionMeta meta) {
         for (Partition p : meta.p)
             s.append(umsd(p.type, meta.major, p.minor)).append(" && ");
         String e = s.toString();
+        if (e.isEmpty()) return e;
         return e.substring(0, e.length()-4);
     }