diff --git a/adobe-source-han-sans-jp-fonts.spec b/adobe-source-han-sans-jp-fonts.spec
index 06c7d20..329c753 100644
--- a/adobe-source-han-sans-jp-fonts.spec
+++ b/adobe-source-han-sans-jp-fonts.spec
@@ -20,7 +20,7 @@ Requires:	fontpackages-filesystem
 Source Han Sans is a set of OpenType/CFF Pan-CJK fonts.
 
 %prep
-%autosetup -n %{archivename}
+%autosetup -c -n %{archivename}
 
 %build