diff --git a/autogen.sh b/autogen.sh
index bee4e1b94..206085ac5 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,7 +1,10 @@
 #!/bin/sh
 
+rm -rf autom4te.cache
+rm -f aclocal.m4 ltmain.sh config.cache
+
 autoreconf --symlink --install
 
 if [ -z "$NOCONFIGURE" ]; then
-	exec ./configure -C "$@"
+  exec ./configure -C "$@"
 fi