diff --git a/sharedPlugins/researchSync/enableResearch.lua b/sharedPlugins/researchSync/enableResearch.lua
index 1147b3bb..6f22718f 100644
--- a/sharedPlugins/researchSync/enableResearch.lua
+++ b/sharedPlugins/researchSync/enableResearch.lua
@@ -1,6 +1,16 @@
 /silent-command
 if game.forces['player'].technologies['{tech_name}'] then
-	game.forces['player'].technologies['{tech_name}'].researched={tech_researched}
-	game.forces['player'].technologies['{tech_name}'].level={tech_level}
-	game.print("researcSync enabled research: {tech_name} to level {tech_level}")
+	if game.forces['player'].technologies['{tech_name}'].researched ~= {tech_researched} then
+		game.forces['player'].technologies['{tech_name}'].researched={tech_researched}
+	end
+	if game.forces['player'].technologies['{tech_name}'].level ~= {tech_level} then
+		game.forces['player'].technologies['{tech_name}'].level={tech_level }
+	end
+    script.raise_event(defines.events.on_research_finished, {research=game.forces['player'].technologies['{tech_name}'], by_script=true})
+	game.play_sound({path="utility/research_completed"})
+    if game.forces['player'].technologies['{tech_name}'].researched == false then
+		game.print("Technology {tech_name} synced at level {tech_level}")
+	else
+		game.print("Technology {tech_name} synced")
+	end
 end
diff --git a/sharedPlugins/researchSync/index.js b/sharedPlugins/researchSync/index.js
index 40daeae7..924a5dab 100644
--- a/sharedPlugins/researchSync/index.js
+++ b/sharedPlugins/researchSync/index.js
@@ -22,42 +22,45 @@ class ResearchSync {
     }
 
     doSync() {
-        needle.post(this.config.masterIP + ':' + this.config.masterPort + '/api/getSlavesMeta', {
-            password: this.config.clientPassword,
-        }, (err, resp, body) => {
+        needle.get(this.config.masterIP + ':' + this.config.masterPort + '/api/slaves', (err, resp, slaveData) => {
             if (err){
-				this.messageInterface("Unable to post JSON master/api/getSlavesMeta, master might be unaccessible");
+				this.messageInterface("Unable to post JSON master/api/slaves, master might be unreachable");
 				return false;
 			}
-            if (resp.statusCode != 200){
-                this.messageInterface("got error when calling getSlaveMeta", resp.statusCode, resp.body);
+            if (resp.statusCode !== 200){
+                this.messageInterface("got error when calling slaves", resp.statusCode, resp.body);
                 return;
             }
-            let allmeta = JSON.parse(resp.body);
 
             let needResearch = {};
 
-			allmeta.forEach(instance => {
-				if(instance){
-					let researchList = instance.research;
-					if(researchList){
-						Object.keys(researchList).forEach(researchName => {
-                            if (needResearch.hasOwnProperty(researchName)) {
-                                if (needResearch[researchName].researched === 0) {
-                                    needResearch[researchName].researched = parseInt(researchList[researchName].researched);
-                                }
-                                if (needResearch[researchName].level < parseInt(researchList[researchName].level)) {
-                                    needResearch[researchName].level = parseInt(researchList[researchName].level);
-                                }
+            Object.keys(slaveData).forEach(instanceKey => {
+                if (slaveData[instanceKey].unique === this.config.unique.toString()) {
+                    return;
+                }
+                if (!slaveData[instanceKey].meta.hasOwnProperty('research')) {
+                    return;
+                }
+                let researchList = slaveData[instanceKey].meta.research;
+				if(researchList){
+                    Object.keys(researchList).forEach(researchName => {
+                        if (needResearch.hasOwnProperty(researchName)) {
+                            if (needResearch[researchName].researched === 0) {
+                                needResearch[researchName].researched = parseInt(researchList[researchName].researched);
                             }
-                             else {
-                                needResearch[researchName] = {researched: parseInt(researchList[researchName].researched), level: parseInt(researchList[researchName].level)};
+                            if (needResearch[researchName].level < parseInt(researchList[researchName].level)) {
+                                needResearch[researchName].level = parseInt(researchList[researchName].level);
                             }
-						});
-					}
+                        }
+                         else {
+                            needResearch[researchName] = {researched: parseInt(researchList[researchName].researched), level: parseInt(researchList[researchName].level)};
+                        }
+                    });
 				}
 			});
+
             let difference = this.filterResearchDiff(this.research, needResearch);
+
             Object.keys(difference).forEach((key) => {
                 let command = this.functions.enableResearch;
                 while(command.includes("{tech_name}")){
@@ -69,9 +72,7 @@ class ResearchSync {
                 this.messageInterface("Unlocking research: " + key + " at research state = " + (difference[key].researched === 0 ? 'false' : 'true') + ' and level ' + difference[key].level);
                 this.research[key] = difference[key];
             });
-            if(Object.keys(difference).length > 0){
-				this.messageInterface("difference from other servers", JSON.stringify(difference));
-			}
+
             needle.post(this.config.masterIP + ':' + this.config.masterPort + '/api/editSlaveMeta', {
                 instanceID: this.config.unique,
                 password: this.config.clientPassword,
@@ -86,7 +87,7 @@ class ResearchSync {
         let diff = {};
         Object.keys(localResearch).forEach((key) => {
             if (remoteResearch.hasOwnProperty(key)) {
-                if ((localResearch[key].researched !== remoteResearch[key].researched && remoteResearch[key].researched === 1) || localResearch[key].level < remoteResearch[key].level) {
+                if ((localResearch[key].researched === 0 && localResearch[key].researched !== remoteResearch[key].researched) || localResearch[key].level !== remoteResearch[key].level) {
                     diff[key] = remoteResearch[key];
                 }
             }