diff --git a/tests/auto/widgets/proxypac/proxypac.pro b/tests/auto/widgets/proxypac/proxypac.pro
index 1c2958d3a4547d931e9998cb0f7612dfa7db6c98..4dbcd9365d1fb94ab0dd300a0400fdb3400ca73b 100644
--- a/tests/auto/widgets/proxypac/proxypac.pro
+++ b/tests/auto/widgets/proxypac/proxypac.pro
@@ -4,7 +4,8 @@ HEADERS += proxyserver.h
 SOURCES += proxyserver.cpp
 
 proxy_pac.name = QTWEBENGINE_CHROMIUM_FLAGS
-proxy_pac.value = --proxy-pac-url="file://$$PWD/proxy.pac"
+boot2qt:proxy_pac.value = "--single-process --no-sandbox --proxy-pac-url=file://$$PWD/proxy.pac"
+else: proxy_pac.value = --proxy-pac-url="file://$$PWD/proxy.pac"
 
 QT_TOOL_ENV += proxy_pac
 
diff --git a/tests/auto/widgets/widgets.pro b/tests/auto/widgets/widgets.pro
index c99640b4b9e4e4f61f1df4c7175e1c60167c2a37..9dba2c070c5d1dcdfac2254b070706f054ea26c3 100644
--- a/tests/auto/widgets/widgets.pro
+++ b/tests/auto/widgets/widgets.pro
@@ -44,6 +44,6 @@ boot2qt: SUBDIRS -= accessibility defaultsurfaceformat devtools \
                     qwebengineprofile  \
                     qwebengineview  \
                     qwebenginescript \
-                    proxypac offscreen
+                    offscreen
 
 win32: SUBDIRS -= offscreen