diff --git a/sysklogd/syslogd.c b/sysklogd/syslogd.c
index 004e6ab1d..4ebd2a28a 100644
--- a/sysklogd/syslogd.c
+++ b/sysklogd/syslogd.c
@@ -37,6 +37,7 @@
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <sys/un.h>
+#include <sys/param.h>
 #include <time.h>
 #include <unistd.h>
 
diff --git a/syslogd.c b/syslogd.c
index 004e6ab1d..4ebd2a28a 100644
--- a/syslogd.c
+++ b/syslogd.c
@@ -37,6 +37,7 @@
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <sys/un.h>
+#include <sys/param.h>
 #include <time.h>
 #include <unistd.h>