diff --git a/CMakeLists.txt b/CMakeLists.txt
index 49363f3..3445130 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -128,6 +128,10 @@ elseif (CMAKE_SYSTEM_NAME MATCHES "^(Linux|kFreeBSD|GNU|SunOS)$")
     set(PLATFORM_LIBRARIES rt)
 endif()
 
+if (NOT MSVC)
+    add_compile_options("-flto")
+endif()
+
 # Include source code
 # ===================
 add_subdirectory(externals)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 8355b78..00f31f8 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -104,7 +104,7 @@ else()
 
         if (MINGW_STATIC_BUILD)
             add_definitions(-DQT_STATICPLUGIN)
-            add_compile_options("-static -flto")
+            add_compile_options("-static")
         endif()
     endif()