diff --git a/conanfile.py b/conanfile.py
old mode 100644
new mode 100755
index cd124aa..926ec5c
--- a/conanfile.py
+++ b/conanfile.py
@@ -30,7 +30,7 @@
             raise ConanInvalidConfiguration("Abseil does not support MSVC < 14")
 
     def build(self):
-        tools.replace_in_file("CMakeLists.txt", "project(absl)", "project(absl)\ninclude(conanbuildinfo.cmake)\nconan_basic_setup()")
+        tools.replace_in_file("CMakeLists.txt", "project(absl CXX)", "project(absl CXX)\ninclude(conanbuildinfo.cmake)\nconan_basic_setup()")
         cmake = CMake(self)
         cmake.definitions["BUILD_TESTING"] = False
         cmake.configure()