diff --git a/src/core/config/common.pri b/src/core/config/common.pri
index 9a9c6bc6fc850fdd1087718b6b24623321a114cd..edc77d83dc23464399683b699313412894cfaac7 100644
--- a/src/core/config/common.pri
+++ b/src/core/config/common.pri
@@ -55,6 +55,7 @@ precompile_header {
 }
 
 CONFIG(release, debug|release) {
+    gn_args += is_debug=false
     force_debug_info {
         # Level 1 is not enough to generate all Chromium debug symbols on Windows
         msvc: gn_args += symbol_level=2
@@ -65,6 +66,7 @@ CONFIG(release, debug|release) {
 }
 
 CONFIG(debug, debug|release) {
+    gn_args += is_debug=true
     gn_args += use_debug_fission=false
 }
 
diff --git a/src/core/gn_run.pro b/src/core/gn_run.pro
index 384eaca37300ffdd8504f48278d7b460fd6e778b..c8c503a39ecdf292ba12f5365c34c6b8db3496f4 100644
--- a/src/core/gn_run.pro
+++ b/src/core/gn_run.pro
@@ -29,10 +29,6 @@ build_pass|!debug_and_release {
 
     gn_args = $$gnArgs()
 
-    CONFIG(release, debug|release) {
-        gn_args += is_debug=false
-    }
-
     gn_args += "qtwebengine_target=\"$$system_path($$OUT_PWD/$$getConfigDir()):QtWebEngineCore\""
 
     !qtConfig(webengine-system-gn) {