diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2f630ba14..993cb8fcb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -190,9 +190,9 @@ if (USE_SYSTEM_QXT)
   # We only need its header. We don't need to link to QxtCore.
   find_library(QXT_LIBRARIES QxtGui)
 else (USE_SYSTEM_QXT)
+  add_definitions(-DQXT_STATIC -DBUILD_QXT_GUI -DBUILD_QXT_CORE)
   if (NOT APPLE)
     add_subdirectory(3rdparty/qxt)
-    add_definitions(-DQXT_STATIC -DBUILD_QXT_GUI -DBUILD_QXT_CORE)
     set(QXT_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/qxt)
     set(QXT_LIBRARIES qxt)
   endif (NOT APPLE)