diff --git a/libpipeline.spec b/libpipeline.spec
index 5d59533..b048ae3 100644
--- a/libpipeline.spec
+++ b/libpipeline.spec
@@ -64,7 +64,7 @@ such as fork(2) and execve(2).
 %setup -q
 
 %build
-autoconf --force
+autoreconf -fiv -I $PWD -I $PWD/m4
 export CFLAGS="%{optflags} $(getconf LFS_CFLAGS)"
 %configure \
   --enable-shared \