diff --git a/modules/spirica/pages.py b/modules/spirica/pages.py
index 6bc1d15a1140a2aeb302e4534c7bfb0552c101f1..2e4a4f558dd6e374da99ef0369985ad99bef2da8 100644
--- a/modules/spirica/pages.py
+++ b/modules/spirica/pages.py
@@ -26,7 +26,7 @@
                                             TableCell, Field, Async, AsyncLoad, Eval
 from weboob.browser.filters.html import Attr, Link
 from weboob.capabilities.bank import Account, Investment, Transaction
-from weboob.capabilities.base import NotAvailable
+from weboob.capabilities.base import NotAvailable, empty
 from weboob.exceptions import BrowserUnavailable
 
 
@@ -104,7 +104,7 @@ def obj_valuation(self):
 
     def obj_portfolio_share(self):
         ps = MyDecimal(TableCell('portfolio_share', default=None))(self)
-        return Eval(lambda x: x / 100, ps)(self) if ps else NotAvailable
+        return Eval(lambda x: x / 100, ps)(self) if not empty(ps) else NotAvailable
 
 
 class TableTransactionsInvestment(TableInvestment):