diff --git a/dev-python/numpy/numpy-1.26.4.ebuild b/dev-python/numpy/numpy-1.26.4.ebuild
index dd1f528958aa4..36d602fc4380e 100644
--- a/dev-python/numpy/numpy-1.26.4.ebuild
+++ b/dev-python/numpy/numpy-1.26.4.ebuild
@@ -54,6 +54,9 @@ EPYTEST_XDIST=1
 distutils_enable_tests pytest
 
 python_prepare_all() {
+	# bug #922457
+	filter-lto
+	# https://github.com/numpy/numpy/issues/25004
 	append-flags -fno-strict-aliasing
 
 	distutils-r1_python_prepare_all
diff --git a/dev-python/numpy/numpy-2.0.0_rc2-r1.ebuild b/dev-python/numpy/numpy-2.0.0_rc2-r1.ebuild
index 7d3724a3aaa3d..d33733489b221 100644
--- a/dev-python/numpy/numpy-2.0.0_rc2-r1.ebuild
+++ b/dev-python/numpy/numpy-2.0.0_rc2-r1.ebuild
@@ -57,6 +57,9 @@ python_prepare_all() {
 		"${FILESDIR}/${P}-gcc14.patch"
 	)
 
+	# bug #922457
+	filter-lto
+	# https://github.com/numpy/numpy/issues/25004
 	append-flags -fno-strict-aliasing
 
 	distutils-r1_python_prepare_all