diff --git a/config/runtime.exs b/config/runtime.exs
index 39310f093..ac0a2569b 100644
--- a/config/runtime.exs
+++ b/config/runtime.exs
@@ -3,12 +3,12 @@ import Config
 defmodule Env do
   def get_integer(env, default) do
     value = System.get_env(env)
-    if value, do: String.to_integer(env), else: default
+    if value, do: String.to_integer(value), else: default
   end
 
   def get_charlist(env, default) do
     value = System.get_env(env)
-    if value, do: String.to_charlist(env), else: default
+    if value, do: String.to_charlist(value), else: default
   end
 
   def get_boolean(env, default) do
diff --git a/mix.exs b/mix.exs
index d0f8a267b..13ffe985a 100644
--- a/mix.exs
+++ b/mix.exs
@@ -4,7 +4,7 @@ defmodule Realtime.MixProject do
   def project do
     [
       app: :realtime,
-      version: "2.46.2",
+      version: "2.46.3",
       elixir: "~> 1.17.3",
       elixirc_paths: elixirc_paths(Mix.env()),
       start_permanent: Mix.env() == :prod,
diff --git a/run.sh b/run.sh
index 2dddbc1b8..66585dc2b 100755
--- a/run.sh
+++ b/run.sh
@@ -90,7 +90,7 @@ if [ "${ENABLE_ERL_CRASH_DUMP:-false}" = true ]; then
     trap upload_crash_dump_to_s3 INT TERM KILL EXIT
 fi
 
-if [[ -n "${GENERATE_CLUSTER_CERTS}" ]] ; then
+if [[ -n "${GENERATE_CLUSTER_CERTS:-}" ]] ; then
     generate_certs
 fi