diff --git a/indra/llkdu/llimagej2ckdu.cpp b/indra/llkdu/llimagej2ckdu.cpp
index 39ae09650e1abd53e5635f3bbcb37eb6fd31de18..c156ed0cef40411d153e9d825b27ff1e26a04b59 100644
--- a/indra/llkdu/llimagej2ckdu.cpp
+++ b/indra/llkdu/llimagej2ckdu.cpp
@@ -73,7 +73,7 @@ void set_default_colour_weights(kdu_params *siz);
 
 const char* engineInfoLLImageJ2CKDU()
 {
-	std::string version = llformat("KDU %s", KDU_CORE_VERSION);
+	static std::string version = llformat("KDU %s", KDU_CORE_VERSION);
 	return version.c_str();
 }