diff --git a/src/core/socket.c b/src/core/socket.c
index 675ad3c025..ceaf39bdd3 100644
--- a/src/core/socket.c
+++ b/src/core/socket.c
@@ -34,6 +34,7 @@
 #include "process-util.h"
 #include "selinux-util.h"
 #include "serialize.h"
+#include "service.h"
 #include "signal-util.h"
 #include "smack-util.h"
 #include "socket.h"
diff --git a/src/core/socket.h b/src/core/socket.h
index a65195f2aa..6813bdcf8c 100644
--- a/src/core/socket.h
+++ b/src/core/socket.h
@@ -5,7 +5,6 @@ typedef struct Socket Socket;
 typedef struct SocketPeer SocketPeer;
 
 #include "mount.h"
-#include "service.h"
 #include "socket-util.h"
 #include "unit.h"