diff --git a/src/expand.cpp b/src/expand.cpp
index 56cb0018f..48bd4f72b 100644
--- a/src/expand.cpp
+++ b/src/expand.cpp
@@ -17,6 +17,7 @@
 #include <procfs.h>
 #endif
 #if __APPLE__
+#include <sys/time.h> // Required to build with old SDK versions
 #include <sys/proc.h>
 #else
 #include <dirent.h>