diff --git a/libolecf.spec b/libolecf.spec
index 42c323b..1ac70c2 100644
--- a/libolecf.spec
+++ b/libolecf.spec
@@ -96,7 +96,7 @@ Python bindings for libolecf, which can read MS IE cache files.
 cp %_sourcedir/*.pdf .
 
 %build
-if [ ! -e configure ]; then ./autogen.sh; fi
+autoreconf -fi
 %configure \
     --disable-static \
     --enable-wide-character-type \