diff --git a/avr/libraries/Optiboot_flasher/examples/Flash_iterate/Flash_iterate.ino b/avr/libraries/Optiboot_flasher/examples/Flash_iterate/Flash_iterate.ino
index dfdde37a..b0d11280 100644
--- a/avr/libraries/Optiboot_flasher/examples/Flash_iterate/Flash_iterate.ino
+++ b/avr/libraries/Optiboot_flasher/examples/Flash_iterate/Flash_iterate.ino
@@ -72,6 +72,12 @@ void setup()
   delay(2000);
   Serial.begin(9600);
 
+  if(!flash.check_writable())
+  {
+    Serial.println(F("Incompatible or no bootloader present! Please burn correct bootloader"));
+    while(1);
+  }
+
   // Fetch flash page 1, where we may have a flag
   flash.fetch_page(1);
 
diff --git a/avr/libraries/Optiboot_flasher/examples/Flash_put_get/Flash_put_get.ino b/avr/libraries/Optiboot_flasher/examples/Flash_put_get/Flash_put_get.ino
index c8e61c99..fa65f2de 100644
--- a/avr/libraries/Optiboot_flasher/examples/Flash_put_get/Flash_put_get.ino
+++ b/avr/libraries/Optiboot_flasher/examples/Flash_put_get/Flash_put_get.ino
@@ -106,6 +106,12 @@ void setup()
   delay(2000);
   Serial.begin(9600);
 
+  if(!flash.check_writable())
+  {
+    Serial.println(F("Incompatible or no bootloader present! Please burn correct bootloader"));
+    while(1);
+  }
+
   // Fetch flash page 1, where we may have a flag
   flash.fetch_page(1);
 
diff --git a/avr/libraries/Optiboot_flasher/examples/Read_write_without_buffer/Read_write_without_buffer.ino b/avr/libraries/Optiboot_flasher/examples/Read_write_without_buffer/Read_write_without_buffer.ino
index 821e2dcf..a3ec672d 100644
--- a/avr/libraries/Optiboot_flasher/examples/Read_write_without_buffer/Read_write_without_buffer.ino
+++ b/avr/libraries/Optiboot_flasher/examples/Read_write_without_buffer/Read_write_without_buffer.ino
@@ -79,6 +79,12 @@ void setup()
   delay(2000);
   Serial.begin(9600);
 
+  if(!optiboot_check_writable())
+  {
+    Serial.println(F("Incompatible or no bootloader present! Please burn correct bootloader"));
+    while(1);
+  }
+
   static uint16_t addr = 0;
 
   Serial.print(F("Filling up flash page 0 with 16-bit values...\n"));
diff --git a/avr/libraries/Optiboot_flasher/examples/Serial_read_write/Serial_read_write.ino b/avr/libraries/Optiboot_flasher/examples/Serial_read_write/Serial_read_write.ino
index 5d9ab939..b9172f84 100644
--- a/avr/libraries/Optiboot_flasher/examples/Serial_read_write/Serial_read_write.ino
+++ b/avr/libraries/Optiboot_flasher/examples/Serial_read_write/Serial_read_write.ino
@@ -51,6 +51,12 @@ void setup()
 {
   // Initialize serial
   Serial.begin(9600);
+
+  if(!optiboot_check_writable())
+  {
+    Serial.println(F("Incompatible or no bootloader present! Please burn correct bootloader"));
+    while(1);
+  }
 }
 
 
diff --git a/avr/libraries/Optiboot_flasher/keywords.txt b/avr/libraries/Optiboot_flasher/keywords.txt
index acb6c512..351b9767 100644
--- a/avr/libraries/Optiboot_flasher/keywords.txt
+++ b/avr/libraries/Optiboot_flasher/keywords.txt
@@ -27,6 +27,7 @@ put	KEYWORD2
 
 # Optiboot
 do_spm_cli	KEYWORD2
+optiboot_check_writable	KEYWORD2
 optiboot_page_erase	KEYWORD2
 optiboot_page_fill	KEYWORD2
 optiboot_page_write	KEYWORD2