diff --git a/third_party/capstone.lua b/third_party/capstone.lua
index cf7faa86e..621682f62 100644
--- a/third_party/capstone.lua
+++ b/third_party/capstone.lua
@@ -2,7 +2,7 @@ group("third_party")
 project("capstone")
   uuid("b3a89f7e-bb02-4945-ae75-219caed6afa2")
   kind("StaticLib")
-  language("C++")
+  language("C")
   links({
   })
   defines({
diff --git a/third_party/glew.lua b/third_party/glew.lua
index 960efcf6b..b17da1fc5 100644
--- a/third_party/glew.lua
+++ b/third_party/glew.lua
@@ -2,7 +2,7 @@ group("third_party")
 project("glew")
   uuid("ca31d35a-6cf4-4c86-b97f-60b5244b80cb")
   kind("StaticLib")
-  language("C++")
+  language("C")
   links({
   })
   defines({
diff --git a/third_party/xxhash.lua b/third_party/xxhash.lua
index edd207d85..cc6955c93 100644
--- a/third_party/xxhash.lua
+++ b/third_party/xxhash.lua
@@ -2,7 +2,7 @@ group("third_party")
 project("xxhash")
   uuid("40d4ce21-5448-4399-9f98-589b7e1c23b1")
   kind("StaticLib")
-  language("C++")
+  language("C")
   links({
   })
   defines({