diff --git a/util/crossgcc/patches/gcc-11.2.0_gnat.patch b/util/crossgcc/patches/gcc-11.2.0_gnat.patch
index 2d7cecee24..d249e32f8d 100644
--- a/util/crossgcc/patches/gcc-11.2.0_gnat.patch
+++ b/util/crossgcc/patches/gcc-11.2.0_gnat.patch
@@ -5,7 +5,7 @@
  
  # Extra flags to pass to recursive makes.
 -COMMON_ADAFLAGS= -gnatpg
-+COMMON_ADAFLAGS= -gnatpg -gnatwGUR
++COMMON_ADAFLAGS= -gnatpg -gnatwn
  ifeq ($(TREECHECKING),)
  CHECKING_ADAFLAGS=
  else