1 files changed, 1 insertions, 1 deletions
diff --git a/sensor.c b/sensor.c
index 5829f96..f279c87 100644
--- a/sensor.c
+++ b/sensor.c
@@ -41,7 +41,7 @@ int main() {
 	int trials = 3;
 	while ((bit != 40) || ((data[0]+data[1]+data[2]+data[3]-data[4]) % 255 != 0) || ((data[0]|data[1]|data[2]|data[3]|data[4]) == 0)) {
 		trials--;
-		if (trials <= 0) {
+		if (trials < 0) {
 			fprintf(stderr, "Failed to obtain valid reading within 3 trials.\n");
 			return -1;
 		}