diff --git a/package/prboom/prboom.mk b/package/prboom/prboom.mk
index 325bf3eb02..36692d29a3 100644
--- a/package/prboom/prboom.mk
+++ b/package/prboom/prboom.mk
@@ -12,6 +12,14 @@ PRBOOM_LICENSE = GPL-2.0+
 PRBOOM_LICENSE_FILES = COPYING
 PRBOOM_AUTORECONF = YES
 
+PRBOOM_CFLAGS = $(TARGET_CFLAGS)
+
+ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_85180),y)
+PRBOOM_CFLAGS += -O0
+endif
+
+PRBOOM_CONF_ENV += CFLAGS="$(PRBOOM_CFLAGS)"
+
 ifeq ($(BR2_PACKAGE_LIBPNG),y)
 PRBOOM_DEPENDENCIES += libpng
 endif