diff --git a/tests/Makefile.am b/tests/Makefile.am
index ba619eb7f..784b05458 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -4,6 +4,8 @@ include $(top_srcdir)/Makefile.am.common
 
 SUBDIRS = db kdc gss
 
+if ENABLE_SHARED
 if HAVE_DLOPEN
 SUBDIRS += plugin
 endif
+endif