diff --git a/src/drivers/px4io/px4io.cpp b/src/drivers/px4io/px4io.cpp
index 1c9a5adc9a..8aecbb4693 100644
--- a/src/drivers/px4io/px4io.cpp
+++ b/src/drivers/px4io/px4io.cpp
@@ -2856,7 +2856,7 @@ checkcrc(int argc, char *argv[])
 	}
 
 	if (ret != OK) {
-		printf("check CRC failed - %d\n", ret);
+		printf("[PX4IO::checkcrc] check CRC failed - %d\n", ret);
 		exit(1);
 	}
 	printf("CRCs match\n");