diff --git a/src/drivers/px4io/px4io.cpp b/src/drivers/px4io/px4io.cpp
index beeb019748..1fa3fbbfbe 100644
--- a/src/drivers/px4io/px4io.cpp
+++ b/src/drivers/px4io/px4io.cpp
@@ -1969,7 +1969,7 @@ detect(int argc, char *argv[])
 	if (OK != g_dev->detect()) {
 		delete g_dev;
 		g_dev = nullptr;
-		errx(1, "driver detect did not succeed");
+		exit(1);
 	}
 
 	if (g_dev != nullptr) {