diff --git a/0001-util-Fix-fpermissive-warning.patch b/0001-util-Fix-fpermissive-warning.patch
new file mode 100644
index 0000000..22645b0
--- /dev/null
+++ b/0001-util-Fix-fpermissive-warning.patch
@@ -0,0 +1,27 @@
+From 724b7405064b37410e67cd309e2862bc22d95fde Mon Sep 17 00:00:00 2001
+From: Colin Walters <walters@verbum.org>
+Date: Tue, 1 Nov 2022 16:06:20 -0400
+Subject: [PATCH] util: Fix `-fpermissive` warning
+
+This seems to only be happening with newer gcc (or something
+in the glib2 headers changed?).
+---
+ src/libpriv/rpmostree-util.cxx | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/libpriv/rpmostree-util.cxx b/src/libpriv/rpmostree-util.cxx
+index 623475fe..438511a7 100644
+--- a/src/libpriv/rpmostree-util.cxx
++++ b/src/libpriv/rpmostree-util.cxx
+@@ -436,7 +436,7 @@ rpmostree_str_ptrarray_contains (GPtrArray *strs, const char *str)
+   guint n = strs->len;
+   for (guint i = 0; i < n; i++)
+     {
+-      if (g_str_equal (str, strs->pdata[i]))
++      if (g_str_equal (str, (const char*)strs->pdata[i]))
+         return TRUE;
+     }
+   return FALSE;
+-- 
+2.38.1
+
diff --git a/rpm-ostree.spec b/rpm-ostree.spec
index 9978e81..aca54b8 100644
--- a/rpm-ostree.spec
+++ b/rpm-ostree.spec
@@ -11,6 +11,8 @@ URL: https://github.com/coreos/rpm-ostree
 # in the upstream git.  It also contains vendored Rust sources.
 Source0: https://github.com/coreos/rpm-ostree/releases/download/v%{version}/rpm-ostree-%{version}.tar.xz
 
+Patch0: 0001-util-Fix-fpermissive-warning.patch
+
 ExclusiveArch: %{rust_arches}
 
 BuildRequires: make