diff --git a/src/storages/inRedis/SplitsCacheInRedis.ts b/src/storages/inRedis/SplitsCacheInRedis.ts
index 754a370a..f58f49ab 100644
--- a/src/storages/inRedis/SplitsCacheInRedis.ts
+++ b/src/storages/inRedis/SplitsCacheInRedis.ts
@@ -196,7 +196,7 @@ export class SplitsCacheInRedis extends AbstractSplitsCacheAsync {
    * @todo this is a no-op method to be implemented
   */
   getNamesByFlagSets(): Promise<ISet<string>> {
-    this.log.warn(LOG_PREFIX + 'ByFlagSet/s evaluations are not supported in Redis storage yet.');
+    this.log.error(LOG_PREFIX + 'ByFlagSet/s evaluations are not supported with Redis storage yet.');
     return Promise.reject();
   }
 
diff --git a/src/storages/pluggable/SplitsCachePluggable.ts b/src/storages/pluggable/SplitsCachePluggable.ts
index 45ed0282..786fb8a5 100644
--- a/src/storages/pluggable/SplitsCachePluggable.ts
+++ b/src/storages/pluggable/SplitsCachePluggable.ts
@@ -162,7 +162,7 @@ export class SplitsCachePluggable extends AbstractSplitsCacheAsync {
    * @todo this is a no-op method to be implemented
   */
   getNamesByFlagSets(): Promise<ISet<string>> {
-    this.log.warn(LOG_PREFIX + 'ByFlagSet/s evaluations are not supported in pluggable storage yet.');
+    this.log.error(LOG_PREFIX + 'ByFlagSet/s evaluations are not supported with pluggable storage yet.');
     return Promise.reject();
   }