diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp
index 79a50d199a8c4d0e0fbc060d88817c4bfe52ddc3..c0f0cec80b2c5e9fc6d84a7d6b0113f980d7784e 100644
--- a/indra/llrender/llgl.cpp
+++ b/indra/llrender/llgl.cpp
@@ -1890,7 +1890,7 @@ void LLGLState::checkClientArrays(const std::string& msg, U32 data_mask)
 		GL_TEXTURE_COORD_ARRAY
 	};
 
-	 U32 mask[] = 
+	static const U32 mask[] = 
 	{ //copied from llvertexbuffer.h
 		0x0001, //MAP_VERTEX,
 		0x0002, //MAP_NORMAL,