diff --git a/conan_provider.cmake b/conan_provider.cmake
index 7d0dc6c6..491a5621 100644
--- a/conan_provider.cmake
+++ b/conan_provider.cmake
@@ -36,37 +36,37 @@ cmake_policy(PUSH)
 cmake_minimum_required(VERSION 3.24)
 
 
-function(detect_os OS OS_API_LEVEL OS_SDK OS_SUBSYSTEM OS_VERSION)
+function(detect_os os os_api_level os_sdk os_subsystem os_version)
     # it could be cross compilation
     message(STATUS "CMake-Conan: cmake_system_name=${CMAKE_SYSTEM_NAME}")
     if(CMAKE_SYSTEM_NAME AND NOT CMAKE_SYSTEM_NAME STREQUAL "Generic")
         if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
-            set(${OS} Macos PARENT_SCOPE)
+            set(${os} Macos PARENT_SCOPE)
         elseif(CMAKE_SYSTEM_NAME STREQUAL "QNX")
-            set(${OS} Neutrino PARENT_SCOPE)
+            set(${os} Neutrino PARENT_SCOPE)
         elseif(CMAKE_SYSTEM_NAME STREQUAL "CYGWIN")
-            set(${OS} Windows PARENT_SCOPE)
-            set(${OS_SUBSYSTEM} cygwin PARENT_SCOPE)
+            set(${os} Windows PARENT_SCOPE)
+            set(${os_subsystem} cygwin PARENT_SCOPE)
         elseif(CMAKE_SYSTEM_NAME MATCHES "^MSYS")
-            set(${OS} Windows PARENT_SCOPE)
-            set(${OS_SUBSYSTEM} msys2 PARENT_SCOPE)
+            set(${os} Windows PARENT_SCOPE)
+            set(${os_subsystem} msys2 PARENT_SCOPE)
         else()
-            set(${OS} ${CMAKE_SYSTEM_NAME} PARENT_SCOPE)
+            set(${os} ${CMAKE_SYSTEM_NAME} PARENT_SCOPE)
         endif()
         if(CMAKE_SYSTEM_NAME STREQUAL "Android")
             if(DEFINED ANDROID_PLATFORM)
-                string(REGEX MATCH "[0-9]+" _OS_API_LEVEL ${ANDROID_PLATFORM})
+                string(REGEX MATCH "[0-9]+" _os_api_level ${ANDROID_PLATFORM})
             elseif(DEFINED CMAKE_SYSTEM_VERSION)
-                set(_OS_API_LEVEL ${CMAKE_SYSTEM_VERSION})
+                set(_os_api_level ${CMAKE_SYSTEM_VERSION})
             endif()
-            message(STATUS "CMake-Conan: android api level=${_OS_API_LEVEL}")
-            set(${OS_API_LEVEL} ${_OS_API_LEVEL} PARENT_SCOPE)
+            message(STATUS "CMake-Conan: android api level=${_os_api_level}")
+            set(${os_api_level} ${_os_api_level} PARENT_SCOPE)
         endif()
         if(CMAKE_SYSTEM_NAME MATCHES "Darwin|iOS|tvOS|watchOS")
             # CMAKE_OSX_SYSROOT contains the full path to the SDK for MakeFile/Ninja
             # generators, but just has the original input string for Xcode.
             if(NOT IS_DIRECTORY ${CMAKE_OSX_SYSROOT})
-                set(_OS_SDK ${CMAKE_OSX_SYSROOT})
+                set(_os_sdk ${CMAKE_OSX_SYSROOT})
             else()
                 if(CMAKE_OSX_SYSROOT MATCHES Simulator)
                     set(apple_platform_suffix simulator)
@@ -74,20 +74,20 @@ function(detect_os OS OS_API_LEVEL OS_SDK OS_SUBSYSTEM OS_VERSION)
                     set(apple_platform_suffix os)
                 endif()
                 if(CMAKE_OSX_SYSROOT MATCHES AppleTV)
-                    set(_OS_SDK "appletv${apple_platform_suffix}")
+                    set(_os_sdk "appletv${apple_platform_suffix}")
                 elseif(CMAKE_OSX_SYSROOT MATCHES iPhone)
-                    set(_OS_SDK "iphone${apple_platform_suffix}")
+                    set(_os_sdk "iphone${apple_platform_suffix}")
                 elseif(CMAKE_OSX_SYSROOT MATCHES Watch)
-                    set(_OS_SDK "watch${apple_platform_suffix}")
+                    set(_os_sdk "watch${apple_platform_suffix}")
                 endif()
             endif()
-            if(DEFINED _OS_SDK)
+            if(DEFINED os_sdk)
                 message(STATUS "CMake-Conan: cmake_osx_sysroot=${CMAKE_OSX_SYSROOT}")
-                set(${OS_SDK} ${_OS_SDK} PARENT_SCOPE)
+                set(${os_sdk} ${_os_sdk} PARENT_SCOPE)
             endif()
             if(DEFINED CMAKE_OSX_DEPLOYMENT_TARGET)
                 message(STATUS "CMake-Conan: cmake_osx_deployment_target=${CMAKE_OSX_DEPLOYMENT_TARGET}")
-                set(${OS_VERSION} ${CMAKE_OSX_DEPLOYMENT_TARGET} PARENT_SCOPE)
+                set(${os_version} ${CMAKE_OSX_DEPLOYMENT_TARGET} PARENT_SCOPE)
             endif()
         endif()
     endif()