diff --git a/package/qt5/qt5xmlpatterns/qt5xmlpatterns.mk b/package/qt5/qt5xmlpatterns/qt5xmlpatterns.mk
index 27818ecb78..08f6d56747 100644
--- a/package/qt5/qt5xmlpatterns/qt5xmlpatterns.mk
+++ b/package/qt5/qt5xmlpatterns/qt5xmlpatterns.mk
@@ -20,4 +20,8 @@ ifeq ($(BR2_PACKAGE_QT5BASE_EXAMPLES),y)
 QT5XMLPATTERNS_LICENSE += , BSD-3-Clause (examples)
 endif
 
+ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_90620),y)
+QT5XMLPATTERNS_CONF_OPTS += "QMAKE_CXXFLAGS+=-O0"
+endif
+
 $(eval $(qmake-package))