diff --git a/libseccomp.spec b/libseccomp.spec
index 85c6360..8a96821 100644
--- a/libseccomp.spec
+++ b/libseccomp.spec
@@ -100,8 +100,8 @@ This subpackage contains debug utilities for the seccomp interface.
 
 %build
 if [ ! -f configure ]; then
-    perl -i -pe 's{AC_INIT\(\[libseccomp\], \[0\.0\.0\]\)}{AC_INIT([libseccomp], [%{version}])}' configure.ac
-    autoreconf -fvi
+	perl -i -pe 's{\QAC_INIT([libseccomp], [0.0.0])\E}{AC_INIT([libseccomp], [%version])}' configure.ac
+	autoreconf -fiv
 fi
 %configure \
     --includedir="%_includedir/%name" \