diff --git a/indra/llcommon/lluri.cpp b/indra/llcommon/lluri.cpp
index 0f6ddd9bc6bfc1851a547423a2767a9677d6cd89..022742660d55f9acdbb9779a21f0254098ac744f 100644
--- a/indra/llcommon/lluri.cpp
+++ b/indra/llcommon/lluri.cpp
@@ -48,7 +48,7 @@ void encode_character(std::ostream& ostr, std::string::value_type val)
 	ostr << "%" << std::uppercase << std::hex << std::setw(2) << std::setfill('0') 
 	     // VWR-4010 Cannot cast to U32 because sign-extension on 
 	     // chars > 128 will result in FFFFFFC3 instead of F3.
-	     << static_cast<S32>(static_cast<U8>(c));
+	     << static_cast<S32>(static_cast<U8>(val));
 }
 
 // static