diff --git a/deps/g3dlite/source/debugAssert.cpp b/deps/g3dlite/source/debugAssert.cpp
index cfccf9a0c..675cac55f 100644
--- a/deps/g3dlite/source/debugAssert.cpp
+++ b/deps/g3dlite/source/debugAssert.cpp
@@ -103,7 +103,7 @@ static void createErrorMessage(
         if (NULL != formatMsg) {
             realLastErr = formatMsg;
         } else {
-            realLastErr = _T("Last error code does not exist.");
+            realLastErr = LPTSTR(_T("Last error code does not exist."));
         }
 
         if (lastErr != 0) {