diff --git a/src/time/Convert.cxx b/src/time/Convert.cxx
index 518e7a325..aff35620b 100644
--- a/src/time/Convert.cxx
+++ b/src/time/Convert.cxx
@@ -35,6 +35,7 @@
 #include <stdexcept>
 
 #include <time.h>
+#include <sys/time.h> /* for struct timeval */
 
 struct tm
 GmTime(std::chrono::system_clock::time_point tp)