diff --git a/main/postmarketos-base/APKBUILD b/main/postmarketos-base/APKBUILD
index b2a6c8ec5..11c11e630 100644
--- a/main/postmarketos-base/APKBUILD
+++ b/main/postmarketos-base/APKBUILD
@@ -1,6 +1,6 @@
 pkgname=postmarketos-base
-pkgver=40
-pkgrel=1
+pkgver=41
+pkgrel=0
 pkgdesc="Meta package for minimal postmarketOS base"
 url="https://postmarketos.org"
 arch="noarch"
@@ -72,6 +72,7 @@ _source755="
 	etc/init.d/swapfile
 	etc/init.d/tmpfs
 	usr/bin/swapfile
+	usr/bin/zram-size-calc
 	usr/lib/firmwareload.sh
 	"
 
@@ -163,7 +164,7 @@ sha512sums="
 e529f5cef1f31481b577f99b8917704f2cfefb963d98bf40a14b017938e55a00134d2033f81d2cb0b8489c5e9b4a92fdc0a788013f1adb4cd46d9580c9988186  rootfs-etc-sudoers
 ab09e67203bb82226b0c9e600c8bc231a5c0111977b80edb355e55be101d008ac3c06798c263f0ca50e203758e1bfbf25767ad12f2654d082fb007c0411bbd1f  rootfs-etc-doas.d-10-postmarketos.conf
 e0d2d48b82a03239a4c0a00acaf83e00d397c23a8d7c71053d4e2a383357c22dcedef9e81b0e12a1d7514e1fdbe0bb3eb82613d18b29034a7ce5447f13c84a53  rootfs-etc-conf.d-swapfile
-96ba663d7fc9a4296c64bf3344ed8958889379fda94ab2b4064af091dd461caa6c7918884464e2249a0983b369860cb5df7c5d7d4a3eaab5b56fbe2f459b0aaf  rootfs-etc-conf.d-zram-init
+a286c261dbab800b4bd2891c679cae1fbbf3e3169014bf7e89451961bbd3cbe0f6e34465cd1409aa4373f32ed74f38eb042b166767512be9ee7104e26cd712fa  rootfs-etc-conf.d-zram-init
 e4576c58c35f80bedddb1e89e186f37d31a186d3e9eb046581b8c5d7b7d435e18924539e851d3e67dc0ede80f9d44d16bd9ef52e73350d3f13224edc31d73a34  rootfs-etc-conf.d-syslog
 9b8d0493bb64457fe176fea801e0771d3c5279302c61559824bf81b3d2b66d2c1e076f4aaac65f55389005acb18c27e44bed858c2bdbad37d74199f07c86c354  rootfs-etc-fstab
 45bd0742a64a9d3c4a88e152b97edcf3fa1edca28884f9ea69e7c4c365f1e41ef9056dbe204545de7d4b2ba92e1e5872b2a929c2dcc1dd468e627cc3f090b8e6  rootfs-etc-issue
@@ -183,5 +184,6 @@ d89a7e4b9d601431c62c11f83c9c72fdb90384d9100ee5fc4aff25dda0836fd3bf9e48c0536615be
 42d6bce78b6e3c118dcbd9228b138661a05f8f321f17457e8df8f2398c0b780399d8d056f0a7c50d91557ac8698ab37dde61ec1a13fd69a7b3faad092f126580  rootfs-etc-init.d-swapfile
 0cd9a0b8490028d854b65d0648aaf84e4703921b8b7797517dd65ffaa1ec9e225487007dcccd42c249a9f2470e5adacf95760536c9508138b14de7252de38473  rootfs-etc-init.d-tmpfs
 23df2632e8ef372dccd6b9abac61441dd0ee447ccc7428fba495e28f1b697ebc415f7580dbb9a39d22d162a175d7264b47bdf9f66552347e35d9d0bb7828647d  rootfs-usr-bin-swapfile
+0d128f044e60a882c189e3286dd1609f0d4c18682c501f6a40f18ee99e9ba5a4185cb57504074bc6c213b4b71f3186b120fdd29992ed256016631977ff831f7d  rootfs-usr-bin-zram-size-calc
 72c73bd67bfe2a659c469781e4def038a9b2482e014c0304150fbc25c5325fc7a36b288de76447837741bb9a828eb1db6df0d33b41cf67c7a25bb27b03777b1f  rootfs-usr-lib-firmwareload.sh
 "
diff --git a/main/postmarketos-base/rootfs-etc-conf.d-zram-init b/main/postmarketos-base/rootfs-etc-conf.d-zram-init
index 3c86868e2..471013c8f 100644
--- a/main/postmarketos-base/rootfs-etc-conf.d-zram-init
+++ b/main/postmarketos-base/rootfs-etc-conf.d-zram-init
@@ -1,36 +1,6 @@
 . /usr/share/misc/source_deviceinfo
 
-# Size defaults to:
-# - 75% of RAM for devices with 2GB of RAM or less
-# - 50% of RAM for devices with between 2GB and 6GB of RAM
-# - 25% of RAM for devices with greater 6GB of RAM
-# This is loosely based on some data here:
-# https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/3752#note_1229631449
-
-_mem_size_mb="$(LC_ALL=C free -m | awk '/^Mem:/{print $2}')"
-
-if [ $_mem_size_mb -le 2048 ]; then
-        _size_pct=75
-elif [ $_mem_size_mb -gt 6144 ]; then
-        _size_pct=25
-else
-        _size_pct=50
-fi
-
-# Allow overriding the size as a percentage of RAM using a deviceinfo var, or
-# disabling it completely
-if [ -n "$deviceinfo_zram_swap_pct" ]; then
-
-        # 0% --> disable zram swap
-        if [ "$deviceinfo_zram_swap_pct" == "0" ]; then
-                echo "zram swap: disabled in deviceinfo, exiting"
-                exit 0
-        fi
-
-        _size_pct="$deviceinfo_zram_swap_pct"
-fi
-
-size0=$(($_mem_size_mb * $_size_pct / 100))
+size0="$(zram-size-calc)"
 
 echo "zram swap: activating with size: $size0 MB"
 # zstd (since linux-4.18), lz4 (since linux-3.15), or lzo.
diff --git a/main/postmarketos-base/rootfs-usr-bin-zram-size-calc b/main/postmarketos-base/rootfs-usr-bin-zram-size-calc
new file mode 100644
index 000000000..ab80b0ecf
--- /dev/null
+++ b/main/postmarketos-base/rootfs-usr-bin-zram-size-calc
@@ -0,0 +1,33 @@
+. /usr/share/misc/source_deviceinfo
+
+# Size defaults to:
+# - 75% of RAM for devices with 2GB of RAM or less
+# - 50% of RAM for devices with between 2GB and 6GB of RAM
+# - 25% of RAM for devices with greater 6GB of RAM
+# This is loosely based on some data here:
+# https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/3752#note_1229631449
+
+_mem_size_mb="$(LC_ALL=C free -m | awk '/^Mem:/{print $2}')"
+
+if [ $_mem_size_mb -le 2048 ]; then
+        _size_pct=75
+elif [ $_mem_size_mb -gt 6144 ]; then
+        _size_pct=25
+else
+        _size_pct=50
+fi
+
+# Allow overriding the size as a percentage of RAM using a deviceinfo var, or
+# disabling it completely
+if [ -n "$deviceinfo_zram_swap_pct" ]; then
+
+        # 0% --> disable zram swap
+        if [ "$deviceinfo_zram_swap_pct" == "0" ]; then
+                echo 0
+                exit 0
+        fi
+
+        _size_pct="$deviceinfo_zram_swap_pct"
+fi
+
+echo $(($_mem_size_mb * $_size_pct / 100))