diff --git a/utils/Makefile.am b/utils/Makefile.am
index 6e11dcd9e..d81d0a62d 100644
--- a/utils/Makefile.am
+++ b/utils/Makefile.am
@@ -40,7 +40,7 @@ osmo_ns_dummy_LDADD = $(LDADD) $(TALLOC_LIBS) \
 			$(top_builddir)/src/gb/libosmogb.la \
 			$(top_builddir)/src/vty/libosmovty.la \
 			$(top_builddir)/src/ctrl/libosmoctrl.la \
-			$(top_builddir)/src/gsm/libosmogsm.la
+			$(NULL)
 osmo_ns_dummy_CFLAGS = $(TALLOC_CFLAGS)
 endif
 endif