diff --git a/src/serial.c b/src/serial.c
index 4dcca08..1c41fe0 100644
--- a/src/serial.c
+++ b/src/serial.c
@@ -141,7 +141,7 @@
 
 	rc = tcsetattr(fd, TCSANOW, &tio);
 	if (rc < 0) {
-		dbg_perror("tcgetattr()");
+		dbg_perror("tcsetattr()");
 		return -errno;
 	}