diff --git a/profiles/arch/hppa/make.defaults b/profiles/arch/hppa/make.defaults
index 71d1e3f06882b..134523f955fc9 100644
--- a/profiles/arch/hppa/make.defaults
+++ b/profiles/arch/hppa/make.defaults
@@ -22,3 +22,10 @@ CHOST_hppa="${CHOST}"
 # Donnie Berkholz <dberkholz@gentoo.org> (2006-08-18)
 # Defaults for video drivers
 VIDEO_CARDS="fbdev"
+
+# Sam James <sam@gentoo.org> (2025-11-05)
+# Since Python 3.14 is masked on HPPA, we need to re-enable Python 3.13
+# and explicitly disable 3.14. See bug #959416.
+PYTHON_SINGLE_TARGET="python3_13 -python3_14 -python3_14t"
+PYTHON_TARGETS="python3_13 -python3_14 -python3_14t"
+BOOTSTRAP_USE="unicode pkg-config split-usr xml python_targets_python3_13 python_single_target_python3_13"
diff --git a/profiles/arch/hppa/package.mask b/profiles/arch/hppa/package.mask
index ecccad2bec879..e19cc31755e64 100644
--- a/profiles/arch/hppa/package.mask
+++ b/profiles/arch/hppa/package.mask
@@ -1,6 +1,11 @@
 # Copyright 2019-2025 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
+# Sam James <sam@gentoo.org> (2025-11-05)
+# Fails to build on HPPA (stack size calculation goes wrong), bug #959416.
+dev-lang/python:3.14
+dev-lang/python:3.14t
+
 # Sam James <sam@gentoo.org> (2025-03-24)
 # Affected by a data corruption bug on HPPA
 # https://lore.kernel.org/linux-parisc/84d7b3e1053b2a8397bcc7fc8eee8106@matoro.tk/
diff --git a/profiles/arch/hppa/use.mask b/profiles/arch/hppa/use.mask
index 4fbc0d43c37e0..6984c22fc9190 100644
--- a/profiles/arch/hppa/use.mask
+++ b/profiles/arch/hppa/use.mask
@@ -7,6 +7,11 @@
 # NOTE: When masking a USE flag due to missing keywords, please file a keyword
 # request bug for the hppa arch.
 
+# Sam James <sam@gentoo.org> (2025-11-05)
+# Fails to build on HPPA (stack size calculation goes wrong), bug #959416.
+python_targets_python3_14
+python_targets_python3_14t
+
 # Andreas Sturmlechner <asturm@gentoo.org> (2025-06-12)
 # x11-drivers/xf86-input-wacom is not keyworded here
 input_devices_wacom