diff --git a/Lib/urllib/parse.py b/Lib/urllib/parse.py
index a27b975..16f46d6 100644
--- a/Lib/urllib/parse.py
+++ b/Lib/urllib/parse.py
@@ -41,8 +41,9 @@
 _parse_cache = {}
 
 def clear_cache():
-    """Clear the parse cache."""
+    """Clear the parse cache and the quoters cache."""
     _parse_cache.clear()
+    _safe_quoters.clear()
 
 
 class ResultMixin(object):