diff --git a/libraries/liblber/debug.c b/libraries/liblber/debug.c
index 0b71c1c33f..5528d1f15a 100644
--- a/libraries/liblber/debug.c
+++ b/libraries/liblber/debug.c
@@ -20,6 +20,7 @@
 #include <ac/stdarg.h>
 #include <ac/stdlib.h>
 #include <ac/string.h>
+#include <ac/time.h>
 #include <ac/ctype.h>
 
 #ifdef LDAP_SYSLOG