--- a/src/zonemaster/Makefile.am
+++ b/src/zonemaster/Makefile.am
@@ -29,4 +29,4 @@
$(top_builddir)/src/namestore/libgnunetnamestore.la \
$(top_builddir)/src/namecache/libgnunetnamecache.la \
$(GN_LIBINTL) \
- -lpthread
+ -lc