diff --git a/m4/Makefile.am b/m4/Makefile.am
index 24e548b0..44858992 100644
--- a/m4/Makefile.am
+++ b/m4/Makefile.am
@@ -1,4 +1,4 @@
 # This file does not do anything, except making sure these files are included
 # when you run 'make dist'.
 
-EXTRA_DIST = libtool.m4
+EXTRA_DIST =