diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..91c7b95
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,3 @@
+#EMGAUWA_CONTROLLER_LOGGING_LEVEL=INFO
+
+#EMGAUWA_CORE_LOGGING_LEVEL=INFO
\ No newline at end of file
diff --git a/config/emgauwa-controller.pkl b/config/emgauwa-controller.pkl
index 04d46bb..272d03a 100644
--- a/config/emgauwa-controller.pkl
+++ b/config/emgauwa-controller.pkl
@@ -13,7 +13,7 @@ permissions {
 }
 
 logging {
-  level = read?("env:LOGGING_LEVEL") ?? "DEBUG"
+  level = read?("env:EMGAUWA_CONTROLLER_LOGGING_LEVEL") ?? "DEBUG"
   file = "stdout"
 }
 
diff --git a/config/emgauwa-core.pkl b/config/emgauwa-core.pkl
index 188f01c..667b669 100644
--- a/config/emgauwa-core.pkl
+++ b/config/emgauwa-core.pkl
@@ -13,6 +13,6 @@ permissions {
 }
 
 logging {
-  level = read?("env:LOGGING_LEVEL") ?? "DEBUG"
+  level = read?("env:EMGAUWA_CORE_LOGGING_LEVEL") ?? "DEBUG"
   file = "stdout"
 }