diff --git a/SConstruct b/SConstruct
index 9a9f410cfc..ff91325641 100644
--- a/SConstruct
+++ b/SConstruct
@@ -181,6 +181,10 @@ if arch != "Darwin":
 cflags += ['-DSWAGLOG="\\"common/swaglog.h\\""']
 cxxflags += ['-DSWAGLOG="\\"common/swaglog.h\\""']
 
+if not GetOption('stock_ui'):
+  cflags += ["-DSUNNYPILOT"]
+  cxxflags += ["-DSUNNYPILOT"]
+
 ccflags_option = GetOption('ccflags')
 if ccflags_option:
   ccflags += ccflags_option.split(' ')
diff --git a/selfdrive/ui/SConscript b/selfdrive/ui/SConscript
index aea739c023..a825a74ab0 100644
--- a/selfdrive/ui/SConscript
+++ b/selfdrive/ui/SConscript
@@ -32,7 +32,7 @@ widgets_src = ["ui.cc", "qt/widgets/input.cc", "qt/widgets/wifi.cc",
                "qt/widgets/scrollview.cc", "qt/widgets/cameraview.cc", "#third_party/qrcode/QrCode.cc",
                "qt/request_repeater.cc", "qt/qt_window.cc", "qt/network/networking.cc", "qt/network/wifi_manager.cc"] + sp_widgets_src
 
-qt_env['CPPDEFINES'] = ["SUNNYPILOT"] if not GetOption('stock_ui') else []
+qt_env['CPPDEFINES'] = []
 if maps:
   base_libs += ['QMapLibre']
   widgets_src += ["qt/maps/map_helpers.cc", "qt/maps/map_settings.cc", "qt/maps/map.cc", "qt/maps/map_panel.cc",