diff --git a/src/libsystemd/sd-bus/bus-message.h b/src/libsystemd/sd-bus/bus-message.h
index a68dee42b73..d784e603dd7 100644
--- a/src/libsystemd/sd-bus/bus-message.h
+++ b/src/libsystemd/sd-bus/bus-message.h
@@ -23,6 +23,7 @@
 
 #include <stdbool.h>
 #include <byteswap.h>
+#include <sys/socket.h>
 
 #include "macro.h"
 #include "sd-bus.h"
diff --git a/src/shared/util.h b/src/shared/util.h
index a9235536bfc..2de654f4cc8 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -33,6 +33,7 @@
 #include <sched.h>
 #include <limits.h>
 #include <sys/types.h>
+#include <sys/socket.h>
 #include <sys/stat.h>
 #include <dirent.h>
 #include <stddef.h>