diff --git a/libseccomp.changes b/libseccomp.changes
index 9f21519..85ff418 100644
--- a/libseccomp.changes
+++ b/libseccomp.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sun May 21 22:31:41 UTC 2017 - jengelh@inai.de
+
+- Unconditionally rerun autoreconf because of patches
+
 -------------------------------------------------------------------
 Sun May 21 18:07:04 UTC 2017 - tchvatal@suse.com
 
diff --git a/libseccomp.spec b/libseccomp.spec
index 8a96821..63f9d7c 100644
--- a/libseccomp.spec
+++ b/libseccomp.spec
@@ -96,13 +96,13 @@ This subpackage contains debug utilities for the seccomp interface.
 
 %prep
 %setup -q
-%patch1 -p1
+%patch -P 1 -p1
 
 %build
 if [ ! -f configure ]; then
 	perl -i -pe 's{\QAC_INIT([libseccomp], [0.0.0])\E}{AC_INIT([libseccomp], [%version])}' configure.ac
-	autoreconf -fiv
 fi
+autoreconf -fiv
 %configure \
     --includedir="%_includedir/%name" \
     --disable-static \