diff --git a/lib/qrscanner.py b/lib/qrscanner.py
index f659d5e4..5f0eee79 100644
--- a/lib/qrscanner.py
+++ b/lib/qrscanner.py
@@ -45 +45 @@ def scan_barcode(device='', timeout=-1, display=True, threaded=False):
-        raise RuntimeError("Cannot start QR scanner; zbar not available.")
+        raise RuntimeError("Cannot start QR scanner; zbar not available. Try 'sudo dnf install zbar-pygtk'")