diff --git a/main.c b/main.c
index 77619d5b..209c2d80 100644
--- a/main.c
+++ b/main.c
@@ -817,9 +817,9 @@ int main(int argc, char * argv[]) {
 
 		if ((failureMode == FAIL_BME) || (failureMode == FAIL_MPU) || sim_mode) // recreaate sensor_payload string	
 		{  
-		  strcpy(sensor_payload[0], "OK");
-		  strcpy(sensor_payload[1], "BME280");
-		  strcpy(sensor_payload[6], "MPU6050");
+		  strcpy(sensor_string[0], "OK");
+		  strcpy(sensor_string[1], "BME280");
+		  strcpy(sensor_string[6], "MPU6050");
 			
           for (count1 = 0; count1 < SENSOR_FIELDS; count1++) {
 			  strcat(sensor_payload, sensor_string[count1]);