diff --git a/daq.c b/daq.c
index e6db976..f933405 100644
--- a/daq.c
+++ b/daq.c
@@ -29,7 +29,7 @@
 #define Readings_OX     "A\r\n"
 
 
-int sensConf(unsigned char uartNumber, int baudRate, unsigned char mode[], unsigned char response[]);
+int sensConf(unsigned char uartNumber, int baudRate, unsigned char mode[], unsigned char response[], int tries);
 int measure(unsigned char uartNumber, unsigned char command[], int multiplier, int excess);
 char *gmeasures(char src[], char fval, int nchar);