diff --git a/adobe-source-han-serif-cn-fonts.spec b/adobe-source-han-serif-cn-fonts.spec
index a6f6c90..bfc59e1 100644
--- a/adobe-source-han-serif-cn-fonts.spec
+++ b/adobe-source-han-serif-cn-fonts.spec
@@ -21,7 +21,7 @@ Requires:       fontpackages-filesystem
 Source Han Serif is a set of OpenType/CFF Pan-CJK fonts.
 
 %prep
-%autosetup -n %{archivename}
+%autosetup -c
 
 %build