diff --git a/examples/completeExample/completeExample.cpp b/examples/completeExample/completeExample.cpp
index f81231c..7617e94 100644
--- a/examples/completeExample/completeExample.cpp
+++ b/examples/completeExample/completeExample.cpp
@@ -396,7 +396,8 @@ void extendedCallback(Control* sender, int type, void* param)
     Serial.print(sender->label);
     Serial.print("' = ");
     Serial.println(sender->value);
-    Serial.println(String("param = ") + String((long)param));
+    Serial.print("param = ");
+    Serial.println((long)param);
 }
 
 void setup() {
diff --git a/examples/gui-generic-api/gui-generic-api.ino b/examples/gui-generic-api/gui-generic-api.ino
index 003ce48..54f003b 100644
--- a/examples/gui-generic-api/gui-generic-api.ino
+++ b/examples/gui-generic-api/gui-generic-api.ino
@@ -67,7 +67,8 @@ void buttonCallback(Control* sender, int type)
 
 void buttonExample(Control* sender, int type, void* param)
 {
-    Serial.println(String("param: ") + String(long(param)));
+    Serial.print("param: ");
+    Serial.println(long(param));
     switch (type)
     {
     case B_DOWN:
diff --git a/examples/gui/gui.ino b/examples/gui/gui.ino
index bcccd82..759ed07 100644
--- a/examples/gui/gui.ino
+++ b/examples/gui/gui.ino
@@ -72,7 +72,8 @@ void buttonCallback(Control* sender, int type)
 
 void buttonExample(Control* sender, int type, void* param)
 {
-    Serial.println(String("param: ") + String(long(param)));
+    Serial.print("param: ");
+    Serial.println(long(param));
     switch (type)
     {
     case B_DOWN:
diff --git a/examples/tabbedGui/tabbedGui.ino b/examples/tabbedGui/tabbedGui.ino
index d19cebe..a862aa9 100644
--- a/examples/tabbedGui/tabbedGui.ino
+++ b/examples/tabbedGui/tabbedGui.ino
@@ -66,7 +66,8 @@ void buttonCallback(Control* sender, int type)
 
 void buttonExample(Control* sender, int type, void* param)
 {
-    Serial.println(String("param: ") + String(long(param)));
+    Serial.print("param: ");
+    Serial.println(long(param));
     switch (type)
     {
     case B_DOWN: