diff --git a/src/calibre/utils/fonts/scanner.py b/src/calibre/utils/fonts/scanner.py
index 19e61abaf7..653aec2cdc 100644
--- a/src/calibre/utils/fonts/scanner.py
+++ b/src/calibre/utils/fonts/scanner.py
@@ -112,7 +112,7 @@ def font_dirs():
                 ]
     return fc_list()
 
-class Scanner(Thread):
+class FontScanner(Thread):
 
     CACHE_VERSION = 1
 
@@ -380,7 +380,7 @@ class Scanner(Thread):
                 prints()
             prints()
 
-font_scanner = Scanner()
+font_scanner = FontScanner()
 font_scanner.start()
 
 def force_rescan():