--- a/templates/lxc-download.in
+++ b/templates/lxc-download.in
@@ -311,11 +311,15 @@
 # Trap all exit signals
 trap cleanup EXIT HUP INT TERM
 
-if ! command -V mktemp >/dev/null 2>&1; then
-    DOWNLOAD_TEMP=/tmp/lxc-download.$$
-    mkdir -p "${DOWNLOAD_TEMP}"
-else
-    DOWNLOAD_TEMP=$(mktemp -d)
+if ! grep -qw '/tmp' /proc/mounts; then
+    if ! command -V mktemp >/dev/null 2>&1; then
+        DOWNLOAD_TEMP=/tmp/lxc-download.$$
+        mkdir -p "${DOWNLOAD_TEMP}"
+    else
+         DOWNLOAD_TEMP=$(mktemp -d)
+    fi
+else # /tmp may be mounted in tmpfs / zram or noexec
+    DOWNLOAD_TEMP=$(mktemp -d -p $LXC_PATH)
 fi
 
 # Simply list images