diff --git a/libcef/browser/devtools/devtools_file_manager.h b/libcef/browser/devtools/devtools_file_manager.h
index 275ad51b1..364f26d4c 100644
--- a/libcef/browser/devtools/devtools_file_manager.h
+++ b/libcef/browser/devtools/devtools_file_manager.h
@@ -9,6 +9,7 @@
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 
+#include <map>
 #include <string>
 
 namespace base {