diff --git a/vendor/Squirrel/include/squirrel.h b/vendor/Squirrel/include/squirrel.h
index 4f9bae39..d3d51a54 100644
--- a/vendor/Squirrel/include/squirrel.h
+++ b/vendor/Squirrel/include/squirrel.h
@@ -64,8 +64,16 @@ struct SQOuter;
 //#define SQUNICODE
 //#endif
 
+#ifdef __cplusplus
+} /*extern "C"*/
+#endif
+
 #include "sqconfig.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define SQUIRREL_VERSION    _SC("Squirrel 3.1 stable")
 #define SQUIRREL_COPYRIGHT  _SC("Copyright (C) 2003-2017 Alberto Demichelis")
 #define SQUIRREL_AUTHOR     _SC("Alberto Demichelis")