diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp
index 0cc581ca1..7680c2758 100644
--- a/indra/llrender/llgl.cpp
+++ b/indra/llrender/llgl.cpp
@@ -444,6 +444,7 @@ LLGLManager::LLGLManager() :
 	mHasDebugOutput(FALSE),
 
 	mHasAdaptiveVsync(FALSE),
+	mHasTextureSwizzle(FALSE),
 
 	mIsATI(FALSE),
 	mIsNVIDIA(FALSE),