diff --git a/src/calibre/customize/builtins.py b/src/calibre/customize/builtins.py
index 3e91bc2ef3..14e0a564db 100644
--- a/src/calibre/customize/builtins.py
+++ b/src/calibre/customize/builtins.py
@@ -1460,7 +1460,7 @@ class StoreNextoStore(StoreBase):
     actual_plugin = 'calibre.gui2.store.stores.nexto_plugin:NextoStore'
 
     headquarters = 'PL'
-    formats = ['EPUB', 'PDF']
+    formats = ['EPUB', 'MOBI', 'PDF']
     affiliate = True
 
 class StoreOpenBooksStore(StoreBase):
diff --git a/src/calibre/gui2/store/stores/nexto_plugin.py b/src/calibre/gui2/store/stores/nexto_plugin.py
index f7572e6522..79cb1be2f1 100644
--- a/src/calibre/gui2/store/stores/nexto_plugin.py
+++ b/src/calibre/gui2/store/stores/nexto_plugin.py
@@ -68,8 +68,8 @@ class NextoStore(BasicStoreConfig, StorePlugin):
                     title = ''.join(data.xpath('.//a[@class="title"]/text()'))
                     title = re.sub(r' - ebook$', '', title)
                     formats = ', '.join(data.xpath('.//ul[@class="formats_available"]/li//b/text()'))
-                    DrmFree = re.search(r'bez.DRM', formats)
-                    formats = re.sub(r'\(.+\)', '', formats)
+                    DrmFree = re.search(r'znak', formats)
+                    formats = re.sub(r'\ ?\(.+?\)', '', formats)
 
                     author = ''
                     with closing(br.open('http://www.nexto.pl/' + id.strip(), timeout=timeout/4)) as nf: