diff --git a/src/calibre/gui2/store/search/models.py b/src/calibre/gui2/store/search/models.py
index 1fb0e5327b..9028acb142 100644
--- a/src/calibre/gui2/store/search/models.py
+++ b/src/calibre/gui2/store/search/models.py
@@ -22,6 +22,7 @@ from calibre.utils.icu import sort_key
 from calibre.utils.search_query_parser import SearchQueryParser
 
 def comparable_price(text):
+    text = re.sub(r'[^0-9.,]', '', text)
     if len(text) < 3 or text[-3] not in ('.', ','):
         text += '00'
     text = re.sub(r'\D', '', text)