diff --git a/devhelp.spec b/devhelp.spec
index bfdc281..721cb8c 100644
--- a/devhelp.spec
+++ b/devhelp.spec
@@ -57,6 +57,10 @@ into other applications such as IDEs.
 # force regeneration
 rm data/devhelp.schemas
 
+libtoolize -f
+aclocal
+autoconf
+
 %build
 %configure --disable-static
 make %{?_smp_mflags} CFLAGS="$CFLAGS -fno-strict-aliasing"