diff --git a/src/logging.c b/src/logging.c
index 56f37e02..c4f92ac7 100644
--- a/src/logging.c
+++ b/src/logging.c
@@ -19,6 +19,7 @@ Contributors:
 #ifndef WIN32
 #include <syslog.h>
 #endif
+#include <time.h>
 
 #ifndef CMAKE
 #include <config.h>
diff --git a/src/mosquitto.c b/src/mosquitto.c
index ac223322..e23c9251 100644
--- a/src/mosquitto.c
+++ b/src/mosquitto.c
@@ -31,6 +31,10 @@ Contributors:
 #include <ws2tcpip.h>
 #endif
 
+#ifndef WIN32
+#  include <sys/time.h>
+#endif
+
 #include <errno.h>
 #include <signal.h>
 #include <stdio.h>