diff --git a/module02/ex01/interrupt.h b/module02/ex01/interrupt.h
index dccc1c5..9668ef7 100644
--- a/module02/ex01/interrupt.h
+++ b/module02/ex01/interrupt.h
@@ -2,7 +2,7 @@
 #define INTERRUPT_H
 
 // 7.3.1 : SREG – AVR Status Register
-#define ENABLE_GLOBAL_INTERRUPT		(1<<7)
-#define DISABLE_GLOBAL_INTERRUPT	(0<<7)
+#define ENABLE_GLOBAL_INTERRUPT		(1<<SREG_I)
+#define DISABLE_GLOBAL_INTERRUPT	(0<<SREG_I)
 
 #endif // INTERRUPT_H
\ No newline at end of file
diff --git a/module02/ex02/interrupt.h b/module02/ex02/interrupt.h
index dccc1c5..9668ef7 100644
--- a/module02/ex02/interrupt.h
+++ b/module02/ex02/interrupt.h
@@ -2,7 +2,7 @@
 #define INTERRUPT_H
 
 // 7.3.1 : SREG – AVR Status Register
-#define ENABLE_GLOBAL_INTERRUPT		(1<<7)
-#define DISABLE_GLOBAL_INTERRUPT	(0<<7)
+#define ENABLE_GLOBAL_INTERRUPT		(1<<SREG_I)
+#define DISABLE_GLOBAL_INTERRUPT	(0<<SREG_I)
 
 #endif // INTERRUPT_H
\ No newline at end of file
diff --git a/module02/ex03/interrupt.h b/module02/ex03/interrupt.h
index dccc1c5..9668ef7 100644
--- a/module02/ex03/interrupt.h
+++ b/module02/ex03/interrupt.h
@@ -2,7 +2,7 @@
 #define INTERRUPT_H
 
 // 7.3.1 : SREG – AVR Status Register
-#define ENABLE_GLOBAL_INTERRUPT		(1<<7)
-#define DISABLE_GLOBAL_INTERRUPT	(0<<7)
+#define ENABLE_GLOBAL_INTERRUPT		(1<<SREG_I)
+#define DISABLE_GLOBAL_INTERRUPT	(0<<SREG_I)
 
 #endif // INTERRUPT_H
\ No newline at end of file
diff --git a/module02/ex04/interrupt.h b/module02/ex04/interrupt.h
index dccc1c5..9668ef7 100644
--- a/module02/ex04/interrupt.h
+++ b/module02/ex04/interrupt.h
@@ -2,7 +2,7 @@
 #define INTERRUPT_H
 
 // 7.3.1 : SREG – AVR Status Register
-#define ENABLE_GLOBAL_INTERRUPT		(1<<7)
-#define DISABLE_GLOBAL_INTERRUPT	(0<<7)
+#define ENABLE_GLOBAL_INTERRUPT		(1<<SREG_I)
+#define DISABLE_GLOBAL_INTERRUPT	(0<<SREG_I)
 
 #endif // INTERRUPT_H
\ No newline at end of file