diff --git a/CMakeLists.txt b/CMakeLists.txt
index ae28718..aca8d4a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,16 +29,12 @@ else()
     set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
 endif()
 set(CMAKE_CXX_FLAGS "-Wall")
+set(CMAKE_CXX_FLAGS_RELEASE "-Os")
 set(MINIMAL_GNU "11.0")
 set(MINIMAL_CLANG "13.0")
 set(IS_GNU (${CMAKE_CXX_COMPILER_ID} STREQUAL GNU))
 set(IS_CLANG (${CMAKE_CXX_COMPILER_ID} STREQUAL Clang))
 
-if (NOT MSVC)
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread")
-endif()
-set(CMAKE_CXX_FLAGS_RELEASE "-Os")
-
 if (NOT DEFINED CCACHE_PRESENT)
     find_program(CCACHE_PRESENT ccache)
 endif()
@@ -55,7 +51,7 @@ if (${IS_GNU} OR ${IS_CLANG})
             add_definitions(-D_GLIBCXX_PARALLEL)
         endif()
     endif()
-    set(CMAKE_CXX_FLAGS "-flto ${CMAKE_CXX_FLAGS} -fstrict-enums -pipe -fstack-protector-strong -fstack-clash-protection -funwind-tables -fasynchronous-unwind-tables -frtti -fexceptions")
+    set(CMAKE_CXX_FLAGS "-pthread -flto ${CMAKE_CXX_FLAGS} -fstrict-enums -pipe -fstack-protector-strong -fstack-clash-protection -funwind-tables -fasynchronous-unwind-tables -frtti -fexceptions")
     set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -ffunction-sections -fdata-sections -fmerge-all-constants -ftree-vectorize")
     include(CheckCXXCompilerFlag)
     set(CF_PROTECTION "-fcf-protection")