diff --git a/tools/run-qt5.14 b/tools/run-qt5.14
index a4ee95f88..bc7b539f4 100755
--- a/tools/run-qt5.14
+++ b/tools/run-qt5.14
@@ -4,7 +4,9 @@ set -e
 
 export PYTHONWARNINGS=default
 export PYTHONPYCACHEPREFIX=out/pycache
-export ANKIDEV=1
+export ANKIDEV=${ANKIDEV-1}
+export QTWEBENGINE_REMOTE_DEBUGGING=${QTWEBENGINE_REMOTE_DEBUGGING-8080}
+export QTWEBENGINE_CHROMIUM_FLAGS=${QTWEBENGINE_CHROMIUM_FLAGS---remote-allow-origins=http://localhost:$QTWEBENGINE_REMOTE_DEBUGGING}
 
 ./ninja pylib qt pyenv-qt5.14
 ./out/pyenv-qt5.14/bin/python tools/run.py $*
diff --git a/tools/run-qt5.15 b/tools/run-qt5.15
index 753ef561e..67a9b6f32 100755
--- a/tools/run-qt5.15
+++ b/tools/run-qt5.15
@@ -4,7 +4,8 @@ set -e
 
 export PYTHONWARNINGS=default
 export PYTHONPYCACHEPREFIX=out/pycache
-export ANKIDEV=1
-
+export ANKIDEV=${ANKIDEV-1}
+export QTWEBENGINE_REMOTE_DEBUGGING=${QTWEBENGINE_REMOTE_DEBUGGING-8080}
+export QTWEBENGINE_CHROMIUM_FLAGS=${QTWEBENGINE_CHROMIUM_FLAGS---remote-allow-origins=http://localhost:$QTWEBENGINE_REMOTE_DEBUGGING}
 ./ninja pylib qt pyenv-qt5.15
 ./out/pyenv-qt5.15/bin/python tools/run.py $*