diff --git a/lib/ntlm/Makefile.am b/lib/ntlm/Makefile.am
index 724631ee8..d05b7441e 100644
--- a/lib/ntlm/Makefile.am
+++ b/lib/ntlm/Makefile.am
@@ -31,3 +31,4 @@ check_PROGRAMS = test_ntlm
 
 LDADD = libheimntlm.la $(LIB_roken)
 
+EXTRA_DIST = version-script.map