diff --git a/autogen.sh b/autogen.sh
index 2252f3dd9e..813ba6be07 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -45,6 +45,7 @@ fi
 
 toplevel_check $srcfile
 
+if test -e acinclude.m4; then rm acinclude.m4; fi
 tool_run "aclocal" "-I common/m4 $ACLOCAL_FLAGS"
 
 # FIXME : why does libtoolize keep complaining about aclocal ?