diff --git a/libevtx.spec b/libevtx.spec
index f661c9e..9854f6c 100644
--- a/libevtx.spec
+++ b/libevtx.spec
@@ -102,7 +102,7 @@ Python bindings for libevtx, which can read Windows XML Event files.
 cp %_sourcedir/*.pdf .
 
 %build
-if [ ! -e configure ]; then ./autogen.sh; fi
+autoreconf -fi
 %configure \
     --disable-static \
     --enable-wide-character-type \