diff --git a/include/hamlib/rig.h b/include/hamlib/rig.h
index 45c3a963c..a03a6e67b 100644
--- a/include/hamlib/rig.h
+++ b/include/hamlib/rig.h
@@ -32,6 +32,7 @@
 #include <string.h>
 #include <inttypes.h>
 #include <time.h>
+#include <sys/time.h>
 
 /* Rig list is in a separate file so as not to mess up w/ this one */
 #include <hamlib/riglist.h>