diff --git a/ampel-firmware/csv_writer.cpp b/ampel-firmware/csv_writer.cpp
index 7e30d44da9531d5a4022ce3aec2a3a5a9d51c987..a83bed666455545d2d5cb7c68a3d583d88f7b40a 100644
--- a/ampel-firmware/csv_writer.cpp
+++ b/ampel-firmware/csv_writer.cpp
@@ -87,6 +87,7 @@ namespace csv_writer {
   void initialize(const char *sensorId) {
     snprintf(filename, sizeof(filename), "/%s.csv", sensorId);
 
+    Serial.println();
     Serial.print(F("Initializing FS..."));
     if (mountFS()) {
       Serial.println(F("done."));