diff --git a/utils/themeeditor/CMakeLists.txt b/utils/themeeditor/CMakeLists.txt
index 5608ecf13e..8493793d71 100644
--- a/utils/themeeditor/CMakeLists.txt
+++ b/utils/themeeditor/CMakeLists.txt
@@ -122,7 +122,10 @@ target_compile_definitions(RockboxThemeEditor PRIVATE FINDREPLACE_NOLIB)
 
 # This is an issue with the code produced by QT's MOC
 if (CMAKE_CXX_COMPILER_ID MATCHES "GNU")
-target_compile_options(RockboxThemeEditor PRIVATE -Wsfinae-incomplete=0)
+    check_cxx_compiler_flag(-Wsfinae-incomplete=0 HAVE_SFINAE_INCOMPLETE)
+    if (HAVE_SFINAE_INCOMPLETE)
+        target_compile_options(RockboxThemeEditor PRIVATE -Wsfinae-incomplete=0)
+    endif()
 endif()
 
 if(APPLE)