diff --git a/src/common/url.cpp b/src/common/url.cpp
index 4da8511658..dfd818b176 100644
--- a/src/common/url.cpp
+++ b/src/common/url.cpp
@@ -423,7 +423,7 @@ bool wxURLModule::OnInit()
     // down the program startup (especially if there is no DNS server
     // available, in which case it may take up to 1 minute)
 
-    if ( wxGetenv("HTTP_PROXY") )
+    if ( wxGetenv(_T("HTTP_PROXY")) )
     {
         wxURL::ms_useDefaultProxy = true;
     }