diff --git a/profiles/arch/arm64/use.mask b/profiles/arch/arm64/use.mask
index 506221145de98..fdab19c281031 100644
--- a/profiles/arch/arm64/use.mask
+++ b/profiles/arch/arm64/use.mask
@@ -4,6 +4,10 @@
 # Unmask the flag which corresponds to ARCH.
 -arm64
 
+# Mart Raudsepp <leio@gentoo.org> (2023-10-03)
+# dev-util/sysprof-capture is keyworded on arm64
+-sysprof
+
 # Andrew Ammerlaan <andrewammerlaan@gentoo.org> (2023-07-11)
 # Unmask secureboot flag on arches where sbsigntools is keyworded
 -secureboot
diff --git a/profiles/arch/arm64/use.stable.mask b/profiles/arch/arm64/use.stable.mask
index d05e57dc0d652..dd47f125ea2d4 100644
--- a/profiles/arch/arm64/use.stable.mask
+++ b/profiles/arch/arm64/use.stable.mask
@@ -4,6 +4,10 @@
 # This file requires eapi 5 or later. New entries go on top.
 # Please use the same syntax as in use.mask
 
+# Mart Raudsepp <leio@gentoo.org> (2023-10-03)
+# dev-util/sysprof-capture and dev-util/sysprof are not stable yet
+sysprof
+
 # Ionen Wolkens <ionen@gentoo.org> (2022-02-17)
 # x11-drivers/nvidia-drivers is not stable yet
 video_cards_nvidia