diff --git a/CMakeLists.txt b/CMakeLists.txt
index 36477527..8d64a189 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,7 +21,7 @@ if(NOT CMAKE_BUILD_TYPE)
 endif(NOT CMAKE_BUILD_TYPE)
 
 if (WIN32)
-	set (PLATFORM_COMPILE_FLAGS "-DBOOST_SPIRIT_THREADSAFE -D_WIN32_WINNT=0x0600 -DWINVER=0x0600 -DWIN32_LEAN_AND_MEAN -DMINIUPNP_STATICLIB -msse2")
+	set (PLATFORM_COMPILE_FLAGS "-DBOOST_SPIRIT_THREADSAFE -D_WIN32_WINNT=0x0600 -DWINVER=0x0600 -DWIN32_LEAN_AND_MEAN -DMINIUPNP_STATICLIB")
 	set (BLAKE2_IMPLEMENTATION "blake2/blake2b.c")
 else (WIN32)
 	set (PLATFORM_COMPILE_FLAGS "-DBOOST_SPIRIT_THREADSAFE -Werror=switch -fPIC")