diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index 4f9cd4dbdc..caef138f1a 100644
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -41,6 +41,7 @@
 #include "devnum-util.h"
 #include "discover-image.h"
 #include "dissect-image.h"
+#include "dlfcn-util.h"
 #include "env-util.h"
 #include "escape.h"
 #include "ether-addr-util.h"