diff --git a/tests/auto/wasm/selenium/run.bat b/tests/auto/wasm/selenium/run.bat
index 56305c72c3e..3dafdae5e4b 100644
--- a/tests/auto/wasm/selenium/run.bat
+++ b/tests/auto/wasm/selenium/run.bat
@@ -4,6 +4,6 @@
 ::  The highest version of python that can be used is 3.11
 :: Download from here: https://www.python.org/downloads/release/python-3118/
 ::
-start "qtwasmserver.py" python qtwasmserver.py -p 8001
+start "qtwasmserver.py" python qtwasmserver.py --cross-origin-isolation -p 8001
 python qwasmwindow.py
 taskkill /FI "WINDOWTITLE eq qtwasmserver.py"
diff --git a/tests/auto/wasm/selenium/run.sh b/tests/auto/wasm/selenium/run.sh
index b9a41ace8c5..eab38ccab05 100755
--- a/tests/auto/wasm/selenium/run.sh
+++ b/tests/auto/wasm/selenium/run.sh
@@ -52,7 +52,7 @@ fi
 
 script_dir=`dirname ${BASH_SOURCE[0]}`
 cd "$script_dir"
-$python_command qtwasmserver.py -p 8001 > /dev/null 2>&1 &
+$python_command qtwasmserver.py --cross-origin-isolation -p 8001 > /dev/null 2>&1 &
 cleanupPid=$!
 
 $python_command qwasmwindow.py $@