diff --git a/gawk.changes b/gawk.changes
index 375f619..045d9b8 100644
--- a/gawk.changes
+++ b/gawk.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Sep 13 17:43:05 UTC 2022 - Andreas Schwab <schwab@suse.de>
+
+- upref.patch: Add missing UPREF
+
 -------------------------------------------------------------------
 Mon Sep  5 08:49:14 UTC 2022 - Andreas Schwab <schwab@suse.de>
 
diff --git a/gawk.spec b/gawk.spec
index a4c5c77..0a85baf 100644
--- a/gawk.spec
+++ b/gawk.spec
@@ -29,6 +29,7 @@ Source3:        http://savannah.gnu.org/people/viewgpg.php?user_id=80653#/gawk.k
 Source4:        gawk.rpmlintrc
 Patch0:         pma.patch
 Patch1:         nan-tests.patch
+Patch2:         upref.patch
 Provides:       awk
 BuildRequires:  mpfr-devel
 BuildRequires:  readline-devel
diff --git a/upref.patch b/upref.patch
new file mode 100644
index 0000000..baed65f
--- /dev/null
+++ b/upref.patch
@@ -0,0 +1,12 @@
+Index: gawk-5.2.0/interpret.h
+===================================================================
+--- gawk-5.2.0.orig/interpret.h
++++ gawk-5.2.0/interpret.h
+@@ -238,6 +238,7 @@ uninitialized_scalar:
+ 						_("reference to uninitialized argument `%s'") :
+ 						_("reference to uninitialized variable `%s'"),
+ 								save_symbol->vname);
++				UPREF(m);
+ 				PUSH(m);
+ 				break;
+