diff --git a/library/src/dotty/runtime/LazyVals.scala b/library/src/dotty/runtime/LazyVals.scala
index 2c06a5dd8f05..b2240c86036d 100644
--- a/library/src/dotty/runtime/LazyVals.scala
+++ b/library/src/dotty/runtime/LazyVals.scala
@@ -67,7 +67,8 @@ object LazyVals {
       else if (state == 2) {
         val monitor = getMonitor(t, ord)
         monitor.synchronized {
-          monitor.wait()
+          if (STATE(get(t, offset), ord) == 2) // make sure notification did not happen yet.
+            monitor.wait()
         }
       }
       else retry = false