diff --git a/renderdoc/os/win32/sys_win32_hooks.cpp b/renderdoc/os/win32/sys_win32_hooks.cpp
index aa77b7ff7..807dd1e5e 100644
--- a/renderdoc/os/win32/sys_win32_hooks.cpp
+++ b/renderdoc/os/win32/sys_win32_hooks.cpp
@@ -29,6 +29,8 @@
 #include "os/os_specific.h"
 #include "strings/string_utils.h"
 
+#include <string>
+
 typedef int(WSAAPI *PFN_WSASTARTUP)(__in WORD wVersionRequested, __out LPWSADATA lpWSAData);
 typedef int(WSAAPI *PFN_WSACLEANUP)();