diff --git a/indra/newview/llmeshrepository.cpp b/indra/newview/llmeshrepository.cpp
index f06c5dcd6413d405cd1a6b11cc7c76fc8b394922..0b96a3b34f1d005141d9767319e188b4eb53db99 100644
--- a/indra/newview/llmeshrepository.cpp
+++ b/indra/newview/llmeshrepository.cpp
@@ -3667,6 +3667,9 @@ void LLPhysicsDecomp::run()
 	LLConvexDecomposition* decomp = LLConvexDecomposition::getInstance();
 	if (decomp == NULL)
 	{
+		// stub library. Set init to true so the main thread
+		// doesn't wait for this to finish.
+		mInited = true;
 		return;
 	}