diff --git a/python_device/src/main.py b/python_device/src/main.py
index 063bed3..a1c62fb 100644
--- a/python_device/src/main.py
+++ b/python_device/src/main.py
@@ -67,7 +67,7 @@ if status != "Validated":
 if status == "Unknown":
     print("Device is unknown on the system, need to submit a CSR...")
     with open(args.dev_csr_path, "r") as f:
-        csr = "".utils
+        csr = "".join(f.read())
     print("Enrolling device...")
     api.enroll_device(csr)
     print("Done. Please accept the device on central system web UI")