diff --git a/src/diagnosers/00-basesystem.py b/src/diagnosers/00-basesystem.py
index 7314066bb..1bf9fb9fb 100644
--- a/src/diagnosers/00-basesystem.py
+++ b/src/diagnosers/00-basesystem.py
@@ -316,3 +316,5 @@ class MyDiagnoser(Diagnoser):
         if os.path.isfile("/etc/profile.d/wifi-check.sh"):
             cmd = "bash /etc/profile.d/wifi-check.sh"
             return check_output(cmd)
+        else:
+            return ""