diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp
index 3b6cc084b19f345316f58b03799b53d8b07b3831..ddadf07d73d37783f978bfe8e0226236222cd7c5 100644
--- a/indra/llrender/llglslshader.cpp
+++ b/indra/llrender/llglslshader.cpp
@@ -51,7 +51,7 @@ using std::string;
 
 GLhandleARB LLGLSLShader::sCurBoundShader = 0;
 LLGLSLShader* LLGLSLShader::sCurBoundShaderPtr = NULL;
-S32 LLGLSLShader::sIndexedTextureChannels = NULL;
+S32 LLGLSLShader::sIndexedTextureChannels = 0;
 bool LLGLSLShader::sNoFixedFunction = false;
 
 //UI shader -- declared here so llui_libtest will link properly