diff --git a/include/Configuration.h b/include/Configuration.h
index b8795ff7..011c6aa0 100644
--- a/include/Configuration.h
+++ b/include/Configuration.h
@@ -29,7 +29,7 @@
 
 #define DEV_MAX_MAPPING_NAME_STRLEN 63
 
-#define JSON_BUFFER_SIZE 6144
+#define JSON_BUFFER_SIZE 7000
 
 struct CHANNEL_CONFIG_T {
     uint16_t MaxChannelPower;
diff --git a/src/Configuration.cpp b/src/Configuration.cpp
index 4166eaa7..f856a2d1 100644
--- a/src/Configuration.cpp
+++ b/src/Configuration.cpp
@@ -127,7 +127,7 @@ bool ConfigurationClass::read()
     // Deserialize the JSON document
     DeserializationError error = deserializeJson(doc, f);
     if (error) {
-        MessageOutput.println(F("Failed to read file, using default configuration"));
+        MessageOutput.printf("Failed to read file, using default configuration. Error: %s (capacity: %d)\r\n", error.c_str(), doc.capacity());
     }
 
     JsonObject cfg = doc["cfg"];