diff --git a/WiFiManager.cpp b/WiFiManager.cpp
index 79a25ab..1512cad 100644
--- a/WiFiManager.cpp
+++ b/WiFiManager.cpp
@@ -42,11 +42,11 @@ void WiFiManagerParameter::init(const char *id, const char *placeholder, const c
   _length         = length;
   _labelPlacement = labelPlacement;
   _value          = new char[length + 1];
-  for (int i = 0; i < length; i++) {
+  for (int i = 0; i < length + 1; i++) {
     _value[i] = 0;
   }
   if (defaultValue != NULL) {
-    strncpy(_value, defaultValue, length+1); // length+1 due to null terminated string
+    strncpy(_value, defaultValue, length + 1); // length+1 due to null terminated string
   }
 
   _customHTML = custom;