diff --git a/lldb/source/Utility/SelectHelper.cpp b/lldb/source/Utility/SelectHelper.cpp
index a46213f8bfcb..200b2ae42759 100644
--- a/lldb/source/Utility/SelectHelper.cpp
+++ b/lldb/source/Utility/SelectHelper.cpp
@@ -32,6 +32,7 @@
 #define NOMINMAX
 #include <winsock2.h>
 #else
+#include <sys/time.h>
 #include <sys/select.h>
 #endif