diff --git a/main/postmarketos-zram/APKBUILD b/main/postmarketos-zram/APKBUILD
index 9e8457feb..d70ca11a3 100644
--- a/main/postmarketos-zram/APKBUILD
+++ b/main/postmarketos-zram/APKBUILD
@@ -1,6 +1,6 @@
 maintainer="Clayton Craft <clayton@craftyguy.net>"
 pkgname=postmarketos-zram
-pkgver=2
+pkgver=3
 pkgrel=0
 pkgdesc="zram swap configuration for postmarketOS"
 url="https://postmarketos.org"
@@ -27,6 +27,6 @@ package() {
 sha512sums="
 ca91be78a47c00f40f3e645f79a72b2cd7ba3f080e2feb256998bb121f64c0394041f2ed822ad307ac36e86398b8175b3284dc5097a7017947e520a304b0a37d  postmarketos-zram-swap.initd
 5c1787bc2d597726113aaf3ea59229b5a56b8fc3446c78406a202e163a0b37ac564a87b2acc1c1f1a7dcdc18ff863c45e13aa687b93fa537c5ef000b9e8d6d19  postmarketos-zram-swap.service
-cc8ae3a0a26aeac7015c5b66c08d76f7d7d4479f20b0876dc14368d6f4ff57a0132bac1f673c194d1b3e1df23660161486123f9691ee4d078a06f328d7246417  zramstart
+b08a59a624e4b56f2f88987ce4e246b86effea31bb9a3f8d1581c1bf3444bc0f9ed96a17bf64b5942bd9cc1eca5ab8a295f8220d86d52ed6ac95f9362ba587ac  zramstart
 a70d2bcb26c1af42a71811a1c1cd2984808f5ce09d7af52b26824cf5c15c8a9c819691fc6290cf3028226fca39f6e7a495546c5573c582a14d5a8c7c65dbfe3e  zramstop
 "
diff --git a/main/postmarketos-zram/zramstart b/main/postmarketos-zram/zramstart
index 34a15e80f..529c21ec8 100644
--- a/main/postmarketos-zram/zramstart
+++ b/main/postmarketos-zram/zramstart
@@ -6,6 +6,10 @@ set -e
 # shellcheck disable=SC1091
 . /usr/share/misc/source_deviceinfo
 
+get_mem_size_mb() {
+        LC_ALL=C free -m | awk '/^Mem:/{print $2}'
+}
+
 get_size() {
         # Size defaults to:
         # - 150% of RAM for devices with less than 32GB of RAM
@@ -14,7 +18,7 @@ get_size() {
         # https://gitlab.postmarketos.org/postmarketOS/pmaports/-/issues/4250
 
         local mem_size_mb size_pct
-        mem_size_mb="$(LC_ALL=C free -m | awk '/^Mem:/{print $2}')"
+        mem_size_mb="$(get_mem_size_mb)"
 
         if [ "$mem_size_mb" -le 32768 ]; then
                 size_pct=150
@@ -45,6 +49,21 @@ get_algo() {
         echo "${deviceinfo_zram_swap_algo:-zstd}"
 }
 
+set_min_free_kbytes() {
+        local mem_size_mb current
+        # Set vm.min_free_kbytes to 100000 KB if the kernel's current value
+        # is lower. This ensures the kernel starts reclaiming memory early
+        # enough to make use of zram swap before the kernel OOM killer fires.
+        # This is only applied on devices with >= 1GB of RAM.
+        mem_size_mb="$(get_mem_size_mb)"
+        [ "$mem_size_mb" -lt 1024 ] && return
+
+        current="$(cat /proc/sys/vm/min_free_kbytes)"
+        [ "$current" -ge 100000 ] && return
+
+        sysctl -w vm.min_free_kbytes=100000 >/dev/null
+}
+
 size=$(get_size)
 algo=$(get_algo)
 
@@ -64,5 +83,6 @@ swapon "$dev" >/dev/null
 sysctl -w \
     vm.page-cluster=0 \
     vm.swappiness=180 >/dev/null
+set_min_free_kbytes
 
 echo "ZRAM swap device $dev activated using $algo and size $size MB"