diff --git a/jps/jps-builders/src/org/jetbrains/jps/cmdline/BuildSession.java b/jps/jps-builders/src/org/jetbrains/jps/cmdline/BuildSession.java
index 04c02ef9e59a..905d5d4b12f2 100644
--- a/jps/jps-builders/src/org/jetbrains/jps/cmdline/BuildSession.java
+++ b/jps/jps-builders/src/org/jetbrains/jps/cmdline/BuildSession.java
@@ -94,6 +94,7 @@ final class BuildSession implements Runnable, CanceledStatus {
       ProfilingHelper profilingHelper = null;
       if (Utils.IS_PROFILING_MODE) {
         profilingHelper = new ProfilingHelper();
+        profilingHelper.startProfiling();
       }
 
       runBuild(new MessageHandler() {