diff --git a/src/core/gn_run.pro b/src/core/gn_run.pro
index 3d6fda80e..3d0bc86fe 100644
--- a/src/core/gn_run.pro
+++ b/src/core/gn_run.pro
@@ -38,5 +38,6 @@ build_pass|!debug_and_release {
     }
 
+    gn_args += $$(EXTRA_GN)
     gn_args = $$system_quote($$gn_args)
     gn_src_root = $$system_quote($$system_path($$QTWEBENGINE_ROOT/$$getChromiumSrcDir()))
     gn_build_root = $$system_quote($$system_path($$OUT_PWD/$$getConfigDir()))
     gn_python = "--script-executable=$$pythonPathForSystem()"