diff --git a/IR_Receiver_Test.cpp b/IR_Receiver_Test.cpp
index 4554f3e..6a112bd 100644
--- a/IR_Receiver_Test.cpp
+++ b/IR_Receiver_Test.cpp
@@ -17,7 +17,7 @@
 
 // define some macros
 #define BAUD 9600                                   // define baud
-#define UBRR ((F_CPU)/(BAUD*16UL)-1)            // set baud rate value for UBRR
+#define UBRR (((F_CPU)/(BAUD*16UL))-1)          // set baud rate value for UBRR
 
 // function to initialize UART
 void uart_init (void)
@@ -91,4 +91,4 @@ int main(void)
 		
 		_delay_ms(50);
 	}
-}
\ No newline at end of file
+}