diff --git a/image/base/install-jemalloc b/image/base/install-jemalloc
index aea66f817..311c96905 100755
--- a/image/base/install-jemalloc
+++ b/image/base/install-jemalloc
@@ -3,26 +3,41 @@ set -e
 
 # version check: https://github.com/jemalloc/jemalloc/releases
 
-# jemalloc stable
-mkdir /jemalloc-stable
-cd /jemalloc-stable
+# Newer aarch64 platforms, like Raspberry Pi 5 with Debian Bookworm, are
+# shipping with PAGESIZE=16K. Setting it here is retrocompatible with older
+# systems, so it's safe to set it unconditionally for arm.
+# This means aarch64 will use the latest jemalloc, where we can configure the
+# page size, while x64 will keep using our pinned 3.6.0 jemalloc
+if uname -m | grep -qi 'aarch64'; then
+  mkdir /jemalloc-new
+  cd /jemalloc-new
 
-EXTRA_CONF=$(uname -m | grep -qi 'aarch64' && echo '--with-lg-page=16' || echo '')
+  wget -q https://github.com/jemalloc/jemalloc/releases/download/5.3.0/jemalloc-5.3.0.tar.bz2
+  sha256sum jemalloc-5.3.0.tar.bz2
+  echo "2db82d1e7119df3e71b7640219b6dfe84789bc0537983c3b7ac4f7189aecfeaa jemalloc-5.3.0.tar.bz2" | sha256sum -c
+  tar --strip-components=1 -xjf jemalloc-5.3.0.tar.bz2
+  ./configure --prefix=/usr --with-lg-page=16 && make build_lib -j"$(nproc)" && make install_lib
+  cd / && rm -rf /jemalloc-new
+else
+  # jemalloc stable
+  mkdir /jemalloc-stable
+  cd /jemalloc-stable
 
-wget -q https://github.com/jemalloc/jemalloc/releases/download/3.6.0/jemalloc-3.6.0.tar.bz2
-sha256sum jemalloc-3.6.0.tar.bz2
-echo "e16c2159dd3c81ca2dc3b5c9ef0d43e1f2f45b04548f42db12e7c12d7bdf84fe jemalloc-3.6.0.tar.bz2" | sha256sum -c
-tar --strip-components=1 -xjf jemalloc-3.6.0.tar.bz2
-./configure --prefix=/usr $EXTRA_CONF && make -j"$(nproc)" && make install
-cd / && rm -rf /jemalloc-stable
+  wget -q https://github.com/jemalloc/jemalloc/releases/download/3.6.0/jemalloc-3.6.0.tar.bz2
+  sha256sum jemalloc-3.6.0.tar.bz2
+  echo "e16c2159dd3c81ca2dc3b5c9ef0d43e1f2f45b04548f42db12e7c12d7bdf84fe jemalloc-3.6.0.tar.bz2" | sha256sum -c
+  tar --strip-components=1 -xjf jemalloc-3.6.0.tar.bz2
+  ./configure --prefix=/usr $EXTRA_CONF && make -j"$(nproc)" && make install
+  cd / && rm -rf /jemalloc-stable
 
-# jemalloc new
-mkdir /jemalloc-new
-cd /jemalloc-new
+  # jemalloc new
+  mkdir /jemalloc-new
+  cd /jemalloc-new
 
-wget -q https://github.com/jemalloc/jemalloc/releases/download/5.3.0/jemalloc-5.3.0.tar.bz2
-sha256sum jemalloc-5.3.0.tar.bz2
-echo "2db82d1e7119df3e71b7640219b6dfe84789bc0537983c3b7ac4f7189aecfeaa jemalloc-5.3.0.tar.bz2" | sha256sum -c
-tar --strip-components=1 -xjf jemalloc-5.3.0.tar.bz2
-./configure --prefix=/usr --with-install-suffix=5.3.0 $EXTRA_CONF && make build_lib -j"$(nproc)" && make install_lib
-cd / && rm -rf /jemalloc-new
+  wget -q https://github.com/jemalloc/jemalloc/releases/download/5.3.0/jemalloc-5.3.0.tar.bz2
+  sha256sum jemalloc-5.3.0.tar.bz2
+  echo "2db82d1e7119df3e71b7640219b6dfe84789bc0537983c3b7ac4f7189aecfeaa jemalloc-5.3.0.tar.bz2" | sha256sum -c
+  tar --strip-components=1 -xjf jemalloc-5.3.0.tar.bz2
+  ./configure --prefix=/usr --with-install-suffix=5.3.0 && make build_lib -j"$(nproc)" && make install_lib
+  cd / && rm -rf /jemalloc-new
+fi