diff --git a/LUFA/Drivers/Board/BENITO/LEDs.h b/LUFA/Drivers/Board/BENITO/LEDs.h
index 00e0907cba..596765fee6 100644
--- a/LUFA/Drivers/Board/BENITO/LEDs.h
+++ b/LUFA/Drivers/Board/BENITO/LEDs.h
@@ -57,7 +57,7 @@
 		#endif
 
 	/* Preprocessor Checks: */
-		#if !defined(INCLUDE_FROM_LEDS_H)
+		#if !defined(__INCLUDE_FROM_LEDS_H)
 			#error Do not include this file directly. Include LUFA/Drivers/Board/LEDS.h instead.
 		#endif
 
diff --git a/LUFA/Drivers/Board/BUI/LEDs.h b/LUFA/Drivers/Board/BUI/LEDs.h
index f17cf24c20..d8cf7e7856 100644
--- a/LUFA/Drivers/Board/BUI/LEDs.h
+++ b/LUFA/Drivers/Board/BUI/LEDs.h
@@ -57,7 +57,7 @@
 		#endif
 
 	/* Preprocessor Checks: */
-		#if !defined(INCLUDE_FROM_LEDS_H)
+		#if !defined(__INCLUDE_FROM_LEDS_H)
 			#error Do not include this file directly. Include LUFA/Drivers/Board/LEDS.h instead.
 		#endif
 
diff --git a/LUFA/Drivers/Board/EVK1101/Buttons.h b/LUFA/Drivers/Board/EVK1101/Buttons.h
index 51a4eafcb3..4165694613 100644
--- a/LUFA/Drivers/Board/EVK1101/Buttons.h
+++ b/LUFA/Drivers/Board/EVK1101/Buttons.h
@@ -60,7 +60,7 @@
 		#endif
 
 	/* Preprocessor Checks: */
-		#if !defined(INCLUDE_FROM_BUTTONS_H)
+		#if !defined(__INCLUDE_FROM_BUTTONS_H)
 			#error Do not include this file directly. Include LUFA/Drivers/Board/Buttons.h instead.
 		#endif
 		
diff --git a/LUFA/Drivers/Board/EVK1101/Joystick.h b/LUFA/Drivers/Board/EVK1101/Joystick.h
index e135a4fd57..790f1823a4 100644
--- a/LUFA/Drivers/Board/EVK1101/Joystick.h
+++ b/LUFA/Drivers/Board/EVK1101/Joystick.h
@@ -59,7 +59,7 @@
 		#endif
 
 	/* Preprocessor Checks: */
-		#if !defined(INCLUDE_FROM_JOYSTICK_H)
+		#if !defined(__INCLUDE_FROM_JOYSTICK_H)
 			#error Do not include this file directly. Include LUFA/Drivers/Board/Joystick.h instead.
 		#endif
 
diff --git a/LUFA/Drivers/Board/EVK1101/LEDs.h b/LUFA/Drivers/Board/EVK1101/LEDs.h
index 6ed80be18a..5609b77634 100644
--- a/LUFA/Drivers/Board/EVK1101/LEDs.h
+++ b/LUFA/Drivers/Board/EVK1101/LEDs.h
@@ -59,7 +59,7 @@
 		#endif
 
 	/* Preprocessor Checks: */
-		#if !defined(INCLUDE_FROM_LEDS_H)
+		#if !defined(__INCLUDE_FROM_LEDS_H)
 			#error Do not include this file directly. Include LUFA/Drivers/Board/LEDS.h instead.
 		#endif
 
diff --git a/LUFA/Drivers/Board/UNO/LEDs.h b/LUFA/Drivers/Board/UNO/LEDs.h
index 8f709df234..66942c8e0c 100644
--- a/LUFA/Drivers/Board/UNO/LEDs.h
+++ b/LUFA/Drivers/Board/UNO/LEDs.h
@@ -57,7 +57,7 @@
 		#endif
 
 	/* Preprocessor Checks: */
-		#if !defined(INCLUDE_FROM_LEDS_H)
+		#if !defined(__INCLUDE_FROM_LEDS_H)
 			#error Do not include this file directly. Include LUFA/Drivers/Board/LEDS.h instead.
 		#endif
 
diff --git a/LUFA/Drivers/Board/USBTINYMKII/LEDs.h b/LUFA/Drivers/Board/USBTINYMKII/LEDs.h
index 4abc1879a4..99fbd535b6 100644
--- a/LUFA/Drivers/Board/USBTINYMKII/LEDs.h
+++ b/LUFA/Drivers/Board/USBTINYMKII/LEDs.h
@@ -57,7 +57,7 @@
 		#endif
 
 	/* Preprocessor Checks: */
-		#if !defined(INCLUDE_FROM_LEDS_H)
+		#if !defined(__INCLUDE_FROM_LEDS_H)
 			#error Do not include this file directly. Include LUFA/Drivers/Board/LEDS.h instead.
 		#endif