diff --git a/platformio.ini b/platformio.ini
index b695c247..0d919308 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -68,7 +68,7 @@ build_flags =
 ; Warning : don't put comments after github links => causes infinite download loop
 lib_deps =
     bxparks/AceButton@^1.8.3         ; GPIO button library
-    bblanchon/ArduinoJson@^6.17.3    ; Json(l) parser
+    bblanchon/ArduinoJson@^6.18.0    ; Json(l) parser
     bblanchon/StreamUtils@1.6.0      ; for EEPromStream
     knolleary/PubSubClient@^2.8.0    ; MQTT client
     git+https://github.com/fvanroie/ConsoleInput.git
diff --git a/src/hasp_config.cpp b/src/hasp_config.cpp
index cfdf9482..2e3d678b 100644
--- a/src/hasp_config.cpp
+++ b/src/hasp_config.cpp
@@ -122,7 +122,7 @@ DeserializationError configParseFile(String& configFile, JsonDocument& settings)
     }
     return DeserializationError::InvalidInput;
 #else
-    return DeserializationError::NotSupported;
+    return DeserializationError::InvalidInput;
 #endif
 }