diff --git a/utils.cmake b/utils.cmake
index bea3665..bb497b9 100644
--- a/utils.cmake
+++ b/utils.cmake
@@ -219,7 +219,7 @@ function(setup_project)
                     string(REGEX REPLACE "[-|/]w " " " CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
                     string(REGEX REPLACE "[-|/]W[0|1|2|3|4|all|X] " " " CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
                 endif()
-                if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+                if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
                     if(NOT ("x${CMAKE_CXX_FLAGS_RELEASE}" STREQUAL "x"))
                         string(REGEX REPLACE "-O[d|0|1|2|3|fast] " " " CMAKE_CXX_FLAGS_RELEASE ${CMAKE_CXX_FLAGS_RELEASE})
                     endif()
@@ -249,14 +249,14 @@ function(setup_project)
                     if(NOT ("x${CMAKE_CXX_FLAGS_RELEASE}" STREQUAL "x"))
                         string(REGEX REPLACE "[-|/]Ob[0|1|2|3] " " " CMAKE_CXX_FLAGS_RELEASE ${CMAKE_CXX_FLAGS_RELEASE})
                     endif()
-                    if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+                    if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
                         string(APPEND CMAKE_CXX_FLAGS_RELEASE " /Ob2 ")
                     else()
                         string(APPEND CMAKE_CXX_FLAGS_RELEASE " /Ob3 ")
                     endif()
                     set(CMAKE_CXX_FLAGS_RELEASE ${CMAKE_CXX_FLAGS_RELEASE} PARENT_SCOPE)
                 endif()
-                if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+                if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
                     string(APPEND CMAKE_CXX_FLAGS_RELEASE " /clang:-Ofast ")
                     set(CMAKE_CXX_FLAGS_RELEASE ${CMAKE_CXX_FLAGS_RELEASE} PARENT_SCOPE)
                 endif()
@@ -430,7 +430,7 @@ function(setup_compile_params)
                 STRICT # https://learn.microsoft.com/en-us/windows/win32/winprog/enabling-strict
                 WIN32_LEAN_AND_MEAN WINRT_LEAN_AND_MEAN # Filter out some rarely used headers, to increase compilation speed.
             )
-            if(NOT (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
+            if(NOT (CMAKE_CXX_COMPILER_ID STREQUAL "Clang"))
                 target_compile_options(${__target} PRIVATE
                     /bigobj /utf-8 $<$<NOT:$<CONFIG:Debug>>:/fp:fast /GT /Gw /Gy /Zc:inline>
                 )
@@ -599,7 +599,7 @@ function(setup_compile_params)
                 endif()
             endif()
         endif()
-        if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+        if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
             set(__lto_enabled)
             if(DEFINED CMAKE_BUILD_TYPE)
                 set(__upper_type)