diff --git a/gnu-compat/Makefile.am b/gnu-compat/Makefile.am
index 025a31cced92e6a0b3e8036521f1bfb22affedd0..47eda57eaf5baccafa28d7d9a792950bc3522494 100644
--- a/gnu-compat/Makefile.am
+++ b/gnu-compat/Makefile.am
@@ -3,6 +3,6 @@ EXTRADIST = README COPYING
 noinst_LTLIBRARIES = libalbertagnucompat.la
 noinst_HEADERS = getopt.h
 
-libalbertagnucompat_la_SOURCES = getopt.h
+libalbertagnucompat_la_SOURCES = getopt.h dummy.c
 libalbertagnucompat_la_LIBADD = @LTLIBOBJS@