diff --git a/Geigerzaehler/main.c b/Geigerzaehler/main.c
index 9ed238a..a27ad14 100644
--- a/Geigerzaehler/main.c
+++ b/Geigerzaehler/main.c
@@ -61,11 +61,11 @@ int main()
 	
 	PORTB |= (boost_highVoltage_nextTick << PORTB5);	// Onboard-Led
 	
-	sei();		// Activate global interrupts (after checks) [when an interrupt was fired, it will now be executed]
-	
 	// Endless loop
     while (1) 
     {
+		cli();		// Deactivate global interrupts (before checks)
+		
 		/*
 		 * HighVoltage boosting
 		 */
@@ -123,6 +123,8 @@ int main()
 				if(signalOutput_led_nextTick == 0) signalOutput_led_nextTick++;		// If its 0, it stops, we dont want that
 			}
 		}
+		
+		sei();		// Activate global interrupts (after checks) [when an interrupt was fired, it will now be executed]
     }
 }