diff --git a/src/json_filter.cpp b/src/json_filter.cpp
index 26d97aa..ee8f34b 100644
--- a/src/json_filter.cpp
+++ b/src/json_filter.cpp
@@ -19,7 +19,7 @@ void JsonFilter<check_content_type>::doFilter(const HttpRequestPtr &req,
             fccb();
             return;
         }
-        const auto &resp = HttpResponse::newCustomHttpResponse(BankResponse(k406NotAcceptable, "Client must Accept and have content-type of JSON"));
+        const auto &resp = HttpResponse::newCustomHttpResponse(BankResponse(k406NotAcceptable, "\"Client must Accept and have content-type of JSON\""));
         fcb(resp);
     }
     else
@@ -29,7 +29,7 @@ void JsonFilter<check_content_type>::doFilter(const HttpRequestPtr &req,
             fccb();
             return;
         }
-        const auto &resp = HttpResponse::newCustomHttpResponse(BankResponse(k406NotAcceptable, "Client must Accept JSON"));
+        const auto &resp = HttpResponse::newCustomHttpResponse(BankResponse(k406NotAcceptable, "\"Client must Accept JSON\""));
         fcb(resp);
     }
 }
diff --git a/src/user_filter.cpp b/src/user_filter.cpp
index 226f92b..93dad21 100644
--- a/src/user_filter.cpp
+++ b/src/user_filter.cpp
@@ -52,7 +52,7 @@ void UserFilter<set_body_flag, require_admin>::doFilter(const HttpRequestPtr &re
             }
         }
     }
-    const auto &resp = HttpResponse::newCustomHttpResponse(BankResponse(k401Unauthorized, "Invalid Credentials"));
+    const auto &resp = HttpResponse::newCustomHttpResponse(BankResponse(k401Unauthorized, "\"Invalid Credentials\""));
     fcb(resp);
 }