diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8a224e0..d8696e2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -49,7 +49,8 @@ else()
 	endif()
 
 	if(MSVC)
-		target_compile_options(rexy PRIVATE "/Zc:__cplusplus" "/Wall")
+		#make msvc update the __cplusplus macro to actually comply to c++ standard
+		target_compile_options(rexy PRIVATE "/Zc:__cplusplus")
 	else()
 		target_compile_options(rexy PRIVATE "-Wall" "-Wextra" "-pedantic")
 	endif()
@@ -70,7 +71,7 @@ endif()
 if(BUILD_TESTS)
 	add_library(ensure OBJECT "src/ensure.cpp")
 	if(MSVC)
-		target_compile_options(ensure PRIVATE "/Zc:__cplusplus" "/Wall")
+		target_compile_options(ensure PRIVATE "/Zc:__cplusplus")
 	else()
 		target_compile_options(ensure PRIVATE "-Wall" "-Wextra" "-pedantic")
 	endif()
diff --git a/include/rexy/cx/string.hpp b/include/rexy/cx/string.hpp
index d5aa7a4..f26e22b 100644
--- a/include/rexy/cx/string.hpp
+++ b/include/rexy/cx/string.hpp
@@ -60,7 +60,7 @@ namespace rexy::cx{
 
 	public:
 		static constexpr size_type max_size = N;
-		static constexpr size_type npos = size_type{-1};
+		static constexpr size_type npos = size_type(-1);
 
 	public:
 		value_type m_data[N] = {};
diff --git a/src/filerd.cpp b/src/filerd.cpp
index 82834df..b66b5eb 100644
--- a/src/filerd.cpp
+++ b/src/filerd.cpp
@@ -16,6 +16,11 @@
 	along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#ifdef _MSC_VER
+	//Disable warning from msvc for not using fopen_s
+	//which is not standard in c++ as of c++23, though it is in c since c11.
+	#define _CRT_SECURE_NO_WARNINGS
+#endif
 #include "rexy/filerd.hpp"
 
 #include <cstdio> //fopen, fclose
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 0ee0803..a0015e9 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -6,7 +6,7 @@ include_directories("${INCLUDE_PATH}")
 set(CMAKE_CXX_STANDARD 20)
 
 if(MSVC)
-	add_compile_options("/Zc:__cplusplus" "/Wall")
+	add_compile_options("/Zc:__cplusplus")
 else()
 	add_compile_options("-Wall" "-Wextra" "-pedantic")
 endif()