diff --git a/indra/llmessage/llexperiencecache.cpp b/indra/llmessage/llexperiencecache.cpp
index b5d0c93376..83a070df32 100644
--- a/indra/llmessage/llexperiencecache.cpp
+++ b/indra/llmessage/llexperiencecache.cpp
@@ -94,6 +94,8 @@ LLExperienceCache::LLExperienceCache()
 
 LLExperienceCache::~LLExperienceCache()
 {
+    // can exit without cleanup()
+    sShutdown = true;
 }
 
 void LLExperienceCache::initSingleton()