diff --git a/proxy/hdrs/MIME.cc b/proxy/hdrs/MIME.cc
index 14e7ce352a6..729ec9da977 100644
--- a/proxy/hdrs/MIME.cc
+++ b/proxy/hdrs/MIME.cc
@@ -2580,6 +2580,8 @@ mime_parser_parse(MIMEParser *parser, HdrHeap *heap, MIMEHdrImpl *mh, const char
       }
       field_name.rtrim_if(&ParseRules::is_ws);
       raw_print_field = false;
+    } else if (parsed.suffix(2) != "\r\n") {
+      raw_print_field = false;
     }
 
     // find value first