diff --git a/packages/conf/DittoConf.ts b/packages/conf/DittoConf.ts
index 6c06714c..09e6eed2 100644
--- a/packages/conf/DittoConf.ts
+++ b/packages/conf/DittoConf.ts
@@ -250,7 +250,7 @@ export class DittoConf {
     level: string;
     scopes: string[];
   } {
-    const [fmt = 'jsonl', level = 'debug', scopes = ''] = (this.env.get('DEBUG') || '').split(':');
+    const [fmt = 'jsonl', level = 'debug', scopes = ''] = (this.env.get('LOG_CONFIG') || '').split(':');
     return {
       fmt: fmt === 'jsonl' ? fmt : 'pretty',
       level,
diff --git a/packages/ditto/utils/logi.ts b/packages/ditto/utils/logi.ts
index d8ba9588..4b764201 100644
--- a/packages/ditto/utils/logi.ts
+++ b/packages/ditto/utils/logi.ts
@@ -52,7 +52,7 @@ const prettyPrint = (msg: LogiValue): string => {
 };
 
 const pair = (key: string, value: LogiValue | undefined) => {
-  return `${key} => ${prettyPrint(value || '')}`;
+  return `${key}: ${prettyPrint(value || '')}`;
 };
 
 export const createLogiHandler = (conf: DittoConf, defaultHandler: LogiHandler) => (log: LogiLog) => {