diff --git a/Source/ThirdParty/rapidjson/prettywriter.h b/Source/ThirdParty/rapidjson/prettywriter.h
index fe45df1d1..c66b6d734 100644
--- a/Source/ThirdParty/rapidjson/prettywriter.h
+++ b/Source/ThirdParty/rapidjson/prettywriter.h
@@ -108,7 +108,6 @@ public:
     }
 
     bool String(const Ch* str, SizeType length, bool copy = false) {
-        RAPIDJSON_ASSERT(str != 0);
         (void)copy;
         PrettyPrefix(kStringType);
         return Base::EndValue(Base::WriteString(str, length));