diff --git a/src/drivers/px4flow/px4flow.cpp b/src/drivers/px4flow/px4flow.cpp
index b343a3e30a..ac20f18327 100644
--- a/src/drivers/px4flow/px4flow.cpp
+++ b/src/drivers/px4flow/px4flow.cpp
@@ -674,7 +674,7 @@ fail:
 		g_dev = nullptr;
 	}
 
-	errx(1, "no PX4 FLOW connected");
+	errx(1, "no PX4FLOW connected over I2C");
 }
 
 /**