diff --git a/WiFiManager.cpp b/WiFiManager.cpp
index 9d6dc3e..ae04fa9 100644
--- a/WiFiManager.cpp
+++ b/WiFiManager.cpp
@@ -46,7 +46,7 @@ void WiFiManagerParameter::init(const char *id, const char *placeholder, const c
 
 WiFiManagerParameter::~WiFiManagerParameter() {
   if (_value != NULL) {
-    delete _value;
+    delete[] _value;
   }
 }