diff --git a/IDE/dist/ProcessManager.js b/IDE/dist/ProcessManager.js
index 992c709d6..ef0d866b9 100644
--- a/IDE/dist/ProcessManager.js
+++ b/IDE/dist/ProcessManager.js
@@ -168,21 +168,21 @@ function upload(data) {
 }
 exports.upload = upload;
 // this function starts a syntax check
-// if a syntax check or build process is in progress they are stopped
-// a running program is not stopped
+// if a build is in progress, syntax check is not started
+// if a syntax check is in progress it is restarted
+// in all other cases, a syntax check is started immediately
 // this can be called either from upload() or from the frontend (via SocketManager)
 function checkSyntax(data) {
     if (!data.currentProject)
         return;
     var project = data.currentProject;
-    if (processes.syntax.get_status()) {
+    if (processes.build.get_status()) {
+        // do nothing
+    }
+    else if (processes.syntax.get_status()) {
         processes.syntax.stop();
         processes.syntax.queue(function () { return processes.syntax.start(project); });
     }
-    else if (processes.build.get_status()) {
-        processes.build.stop();
-        processes.build.queue(function () { return processes.syntax.start(project); });
-    }
     else {
         processes.syntax.start(project);
     }
diff --git a/IDE/src/ProcessManager.ts b/IDE/src/ProcessManager.ts
index 0edcdbd92..558f40540 100644
--- a/IDE/src/ProcessManager.ts
+++ b/IDE/src/ProcessManager.ts
@@ -81,19 +81,19 @@ export async function upload(data: any){
 }
 
 // this function starts a syntax check
-// if a syntax check or build process is in progress they are stopped
-// a running program is not stopped
+// if a build is in progress, syntax check is not started
+// if a syntax check is in progress it is restarted
+// in all other cases, a syntax check is started immediately
 // this can be called either from upload() or from the frontend (via SocketManager)
 export function checkSyntax(data: any){
 	if(!data.currentProject)
 		return;
 	let project : string = data.currentProject;
-	if (processes.syntax.get_status()){
+	if (processes.build.get_status()){
+		// do nothing
+	} else if (processes.syntax.get_status()){
 		processes.syntax.stop();
 		processes.syntax.queue(() => processes.syntax.start(project));
-	} else if (processes.build.get_status()){
-		processes.build.stop();
-		processes.build.queue( () => processes.syntax.start(project) );
 	} else {
 		processes.syntax.start(project);
 	}