diff --git a/src/systemd/nm-sd-adapt.h b/src/systemd/nm-sd-adapt.h
index a6123d1fe6..967cb48fac 100644
--- a/src/systemd/nm-sd-adapt.h
+++ b/src/systemd/nm-sd-adapt.h
@@ -24,11 +24,16 @@
 #include <stdbool.h>
 #include <syslog.h>
 #include <sys/resource.h>
+#include <time.h>
 
 #include "nm-default.h"
 
 #define noreturn G_GNUC_NORETURN
 
+#ifndef CLOCK_BOOTTIME
+#define CLOCK_BOOTTIME 7
+#endif
+
 /*****************************************************************************/
 
 static inline NMLogLevel
diff --git a/src/tests/test-general-with-expect.c b/src/tests/test-general-with-expect.c
index 4bd8954947..c6abdccf86 100644
--- a/src/tests/test-general-with-expect.c
+++ b/src/tests/test-general-with-expect.c
@@ -22,6 +22,7 @@
 
 #include <string.h>
 #include <errno.h>
+#include <time.h>
 #include <netinet/ether.h>
 #include <sys/types.h>
 #include <sys/wait.h>
@@ -32,6 +33,10 @@
 
 #include "nm-test-utils.h"
 
+#ifndef CLOCK_BOOTTIME
+#define CLOCK_BOOTTIME 7
+#endif
+
 /*******************************************/
 
 static void