diff --git a/src/basic/namespace-util.c b/src/basic/namespace-util.c
index 35a8693cb1..ba1941a0a5 100644
--- a/src/basic/namespace-util.c
+++ b/src/basic/namespace-util.c
@@ -1,6 +1,7 @@
 /* SPDX-License-Identifier: LGPL-2.1-or-later */
 
 #include <fcntl.h>
+#include <sched.h>
 #include <sys/ioctl.h>
 #include <sys/mount.h>
 #include <unistd.h>
diff --git a/src/nsresourced/nsresourcework.c b/src/nsresourced/nsresourcework.c
index 7157106c08..236d4d4acd 100644
--- a/src/nsresourced/nsresourcework.c
+++ b/src/nsresourced/nsresourcework.c
@@ -6,6 +6,7 @@
 #include <linux/veth.h>
 #include <net/if.h>
 #include <poll.h>
+#include <sched.h>
 #include <sys/eventfd.h>
 #include <sys/ioctl.h>
 #include <sys/stat.h>