diff --git a/autogen.sh b/autogen.sh
index 2126886..0399185 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -46,8 +46,8 @@
         echo "to pass any to it, please specify them on the $0 command line."
 fi
 
-libtoolize --copy --force                                                     
-aclocal                                                                       
+libtoolize --copy --force
+aclocal $ACLOCAL_FLAGS
 automake --add-missing
 autoconf