diff --git a/docker-mods.v3 b/docker-mods.v3
index a77d2e3..97e3399 100755
--- a/docker-mods.v3
+++ b/docker-mods.v3
@@ -255,6 +255,13 @@ run_mods() {
     write_mod_debug "Running in debug mode"
     write_mod_debug "Mod script version ${MOD_SCRIPT_VER}"
     mkdir -p /modcache
+    # Fetch internal fds
+    FD_MAX=0
+    while IFS= read -r -d '' FD; do
+        if [[ $(cat "${FD}") -gt "${FD_MAX}" ]]; then
+            FD_MAX=$(cat "${FD}")
+        fi
+    done <   <(find /etc/s6-overlay/s6-rc.d -type f -name 'notification-fd' -print0)
     for DOCKER_MOD in $(echo "${DOCKER_MODS}" | tr '|' '\n'); do
         # Support alternative endpoints
         case "${DOCKER_MOD}" in
@@ -421,6 +428,11 @@ run_mods() {
             if [[ -d /tmp/mod/etc/services.d ]]; then
                 rm -rf /tmp/mod/etc/services.d
             fi
+            # Rationalise fds
+            while IFS= read -r -d '' FD; do
+                (( FD_MAX++ ))
+                echo $FD_MAX > "${FD}"
+            done <   <(find /tmp/mod/etc/s6-overlay/s6-rc.d -type f -name 'notification-fd' -print0)
             shopt -s dotglob
             cp -R /tmp/mod/* /
             shopt -u dotglob