diff --git a/EgwCoreLib.Lux.Data/Services/ImageCacheService.cs b/EgwCoreLib.Lux.Data/Services/ImageCacheService.cs
index 2a32aa1b..1f21ecbe 100644
--- a/EgwCoreLib.Lux.Data/Services/ImageCacheService.cs
+++ b/EgwCoreLib.Lux.Data/Services/ImageCacheService.cs
@@ -245,6 +245,40 @@ namespace EgwCoreLib.Lux.Data.Services
             return done;
         }
 
+        /// <summary>
+        /// Salva e invia su channel img redis SVG per il doc richiesto
+        /// </summary>
+        /// <param name="imgId"></param>
+        /// <param name="pngContent">contenuto PNG come string base64</param>
+        /// <returns></returns>
+        public bool SavePng(string imgId, EgwMultiEngineManager.Data.Constants.EXECENVIRONMENTS env, string pngContent)
+        {
+            // salvo img in cache
+            string currKey = $"{redisBaseKey}:{env}:Img:Png:{imgId.Replace("/", ":")}";
+            var done = _redisService.Set(currKey, pngContent);
+            // invio notifica nuova imgsvg sul canale... viene "reimbustata"
+            string notifyChannel = $"png-gen:{imgId}";
+            long numSent = _redisService.Publish(notifyChannel, pngContent);
+            return done;
+        }
+
+        /// <summary>
+        /// Salva e invia su channel img redis PNG per il doc richiesto
+        /// </summary>
+        /// <param name="imgId"></param>
+        /// <param name="env"></param>
+        /// <param name="pngContent">contenuto PNG come string base64</param>
+        public async Task<bool> SavePngAsync(string imgId, EgwMultiEngineManager.Data.Constants.EXECENVIRONMENTS env, string pngContent)
+        {
+            // salvo img in cache
+            string currKey = $"{redisBaseKey}:{env}:Img:Png:{imgId.Replace("/", ":")}";
+            var done = await _redisService.SetAsync(currKey, pngContent);
+            // invio notifica nuova png generata sul canale... viene inviato solo contenuto con ID nel canale
+            string notifyChannel = $"{pngChannel}:{imgId}";
+            long numSent = await _redisService.PublishAsync(notifyChannel, pngContent);
+            return done;
+        }
+
         /// <summary>
         /// Salva e invia su channel profile list gestiti
         /// </summary>
@@ -312,39 +346,6 @@ namespace EgwCoreLib.Lux.Data.Services
             return done;
         }
 
-        /// <summary>
-        /// Salva e invia su channel img redis SVG per il doc richiesto
-        /// </summary>
-        /// <param name="imgId"></param>
-        /// <param name="pngContent">contenuto PNG come string base64</param>
-        /// <returns></returns>
-        public bool SavePng(string imgId, EgwMultiEngineManager.Data.Constants.EXECENVIRONMENTS env, string pngContent)
-        {
-            // salvo img in cache
-            string currKey = $"{redisBaseKey}:{env}:Img:Png:{imgId.Replace("/", ":")}";
-            var done = _redisService.Set(currKey, pngContent);
-            // invio notifica nuova imgsvg sul canale... viene "reimbustata"
-            string notifyChannel = $"png-gen:{imgId}";
-            long numSent = _redisService.Publish(notifyChannel, pngContent);
-            return done;
-        }
-        /// <summary>
-        /// Salva e invia su channel img redis PNG per il doc richiesto
-        /// </summary>
-        /// <param name="imgId"></param>
-        /// <param name="env"></param>
-        /// <param name="pngContent">contenuto PNG come string base64</param>
-        public async Task<bool> SavePngAsync(string imgId, EgwMultiEngineManager.Data.Constants.EXECENVIRONMENTS env, string pngContent)
-        {
-            // salvo img in cache
-            string currKey = $"{redisBaseKey}:{env}:Img:Png:{imgId.Replace("/", ":")}";
-            var done = await _redisService.SetAsync(currKey, pngContent);
-            // invio notifica nuova png generata sul canale... viene inviato solo contenuto con ID nel canale
-            string notifyChannel = $"{pngChannel}:{imgId}";
-            long numSent = await _redisService.PublishAsync(notifyChannel, pngContent);
-            return done;
-        }
-
         #endregion Public Methods
 
         #region Private Fields
@@ -362,10 +363,10 @@ namespace EgwCoreLib.Lux.Data.Services
         private readonly string hwOptChannel = "hw:opt";
         private readonly string imgBasePath = "";
         private readonly string liveTag = "svg";
+        private readonly string pngChannel = "png:img";
         private readonly string profListChannel = "prof:list";
         private readonly string shapeChannel = "shape:curr";
         private readonly string svgChannel = "svg:img";
-        private readonly string pngChannel = "png:img";
         private readonly string updateChannel = "ui:update";
         private IConfiguration _config;
 
diff --git a/Lux.API/Services/ExternalMessageProcessor.cs b/Lux.API/Services/ExternalMessageProcessor.cs
index b9aa6f9f..7281c159 100644
--- a/Lux.API/Services/ExternalMessageProcessor.cs
+++ b/Lux.API/Services/ExternalMessageProcessor.cs
@@ -65,7 +65,7 @@ namespace Lux.API.Services
                                 string UID = retData.Args["UID"];
                                 string newSvg = retData.Args["Png"];
                                 // reinvio in redis (cache + channel)
-                                await cacheService.SaveSvgAsync(UID, retData.ExecEnvironment, newSvg);
+                                await cacheService.SavePngAsync(UID, retData.ExecEnvironment, newSvg);
                             }