diff --git a/dev-util/ply/ply-2.3.0.ebuild b/dev-util/ply/ply-2.3.0.ebuild
index d6512d640f1a6..ba9de28027fe1 100644
--- a/dev-util/ply/ply-2.3.0.ebuild
+++ b/dev-util/ply/ply-2.3.0.ebuild
@@ -1,9 +1,9 @@
-# Copyright 1999-2023 Gentoo Authors
+# Copyright 1999-2024 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
 
-inherit autotools linux-info
+inherit autotools flag-o-matic linux-info
 
 DESCRIPTION="Dynamic instrumentation of the Linux kernel with BPF and kprobes"
 HOMEPAGE="https://github.com/iovisor/ply"
@@ -34,6 +34,18 @@ src_prepare() {
 	eautoreconf
 }
 
+src_configure() {
+	# -Werror=strict-aliasing
+	# https://bugs.gentoo.org/858458
+	# https://github.com/iovisor/ply/issues/92
+	#
+	# Do not trust it with LTO either.
+	append-flags -fno-strict-aliasing
+	filter-lto
+
+	default
+}
+
 src_install() {
 	default
 	rm -f "${ED}/usr/share/doc/${P}/COPYING"