diff --git a/sile.spec b/sile.spec
index eba133a..cc28443 100644
--- a/sile.spec
+++ b/sile.spec
@@ -73,6 +73,7 @@ BuildRequires:  sil-gentium-fonts
 %endif
 BuildRequires:  automake
 BuildRequires:  fontconfig-devel
+BuildRequires:  unzip
 Requires:       fontconfig
 BuildRequires:  freetype2-devel
 Requires:       freetype2
@@ -126,7 +127,7 @@ A PDF library extracted from TeX's dvipdfmx. Used in software such as SILE.
 This package contains the development files for libtexpdf.
 
 %prep
-%autosetup -p1
+unzip %{SOURCE0} .
 cp %{SOURCE2} .
 
 %build