diff --git a/sile.spec b/sile.spec
index 50a397c..04d00ce 100644
--- a/sile.spec
+++ b/sile.spec
@@ -127,7 +127,8 @@ A PDF library extracted from TeX's dvipdfmx. Used in software such as SILE.
 This package contains the development files for libtexpdf.
 
 %prep
-%autosetup -c
+cp %{SOURCE0} .
+unzip sile-%{version}.zip
 cp %{SOURCE2} .
 
 %build