diff --git a/bin/named/unix/dlz_dlopen_driver.c b/bin/named/unix/dlz_dlopen_driver.c
index 74d29ffa09..ab8a5c9493 100644
--- a/bin/named/unix/dlz_dlopen_driver.c
+++ b/bin/named/unix/dlz_dlopen_driver.c
@@ -14,7 +14,9 @@
 #include <inttypes.h>
 #include <stdlib.h>
 #include <string.h>
+#if HAVE_DLFCN_H
 #include <dlfcn.h>
+#endif
 
 #include <dns/log.h>
 #include <dns/result.h>