diff --git a/compiler/daemon/src/org/jetbrains/kotlin/daemon/RemoteLookupTrackerClient.kt b/compiler/daemon/src/org/jetbrains/kotlin/daemon/RemoteLookupTrackerClient.kt
index 987a5ee0ec6..8c3f244a131 100644
--- a/compiler/daemon/src/org/jetbrains/kotlin/daemon/RemoteLookupTrackerClient.kt
+++ b/compiler/daemon/src/org/jetbrains/kotlin/daemon/RemoteLookupTrackerClient.kt
@@ -53,7 +53,8 @@ class RemoteLookupTrackerClient(val facade: CompilerCallbackServicesFacade, even
         if (isDoNothing || lookups.isEmpty()) return
 
         profiler.withMeasure(this) {
-            facade.lookupTracker_record(lookups)
+            // Converting to list is intentional because THashSet may lead to serialization-related problems
+            facade.lookupTracker_record(lookups.toList())
         }
 
         lookups.clear()