diff --git lib/qrscanner.py lib/qrscanner.py
index 6a9c2d1..a39cfc3 100644
--- lib/qrscanner.py
+++ lib/qrscanner.py
@@ -42,7 +42,7 @@ except OSError:
 
 def scan_barcode(device='', timeout=-1, display=True, threaded=False):
     if libzbar is None:
-        raise RuntimeError("Cannot start QR scanner; zbar not available.")
+        raise RuntimeError("Cannot start QR scanner; zbar not available. Try 'sudo dnf install zbar-pygtk'")
     libzbar.zbar_symbol_get_data.restype = c_char_p
     proc = libzbar.zbar_processor_create(threaded)
     libzbar.zbar_processor_request_size(proc, 640, 480)