1 files changed, 1 insertions, 1 deletions

diff --git a/scripts/wic b/scripts/wic
index b4b7212cfa..a3c0f731d9 100755
--- a/scripts/wic
+++ b/scripts/wic
@@ -426,7 +426,7 @@ def expandtype(rules):
     if rules == 'auto':
         return {}
     result = {}
-    for rule in rules.split('-'):
+    for rule in rules.split(','):
         try:
             part, size = rule.split(':')
         except ValueError: