diff --git a/modules/config.py b/modules/config.py
index 660bfec..3c74216 100644
--- a/modules/config.py
+++ b/modules/config.py
@@ -36,6 +36,8 @@ def load_config():
 
 def load_env_variable(config_environvar):
     """Returns config from environment variable"""
+    prefix = "NZS_"
+    config_environvar = prefix + config_environvar.upper()
     if config_environvar in environ:
         return environ[config_environvar]
     return None