diff --git a/build.sh b/build.sh
index 5e7bcb2..bb98f94 100755
--- a/build.sh
+++ b/build.sh
@@ -21,8 +21,8 @@ do
         h ) hostname="$OPTARG" ;;
         u ) username="$OPTARG" ;;
         p ) password="$OPTARG" ;;
-        s ) mobian_suite="$OPTARG" ;;
-        m ) custom_script="$OPTARG" ;;
+        s ) custom_script="$OPTARG" ;;
+        m ) mobian_suite="$OPTARG" ;;
         c ) compress=1 ;;
         b ) blockmap=1 ;;
     esac