diff --git a/support/CMakeLists.txt b/support/CMakeLists.txt
index fcdaf5c..f6160f0 100644
--- a/support/CMakeLists.txt
+++ b/support/CMakeLists.txt
@@ -89,7 +89,7 @@ if (NOT ENABLE_UBUNTU AND NOT ENABLE_WEB)
 
     add_library(support STATIC ${SUPPORT_MOC_SRCS} ${SUPPORT_SRCS} ${SUPPORT_UI_HDRS} ${SUPPORT_RC_SRCS})
 
-    if (X11_FOUND)
+    if (NOT ENABLE_QT5 AND X11_FOUND)
         target_link_libraries(support ${X11_LIBRARIES})
-    endif (X11_FOUND)
+    endif (NOT ENABLE_QT5 AND X11_FOUND)
 endif (NOT ENABLE_UBUNTU AND NOT ENABLE_WEB)