diff --git a/include/real.cpp b/include/real.cpp
index 9a82fa50d..1295a1a25 100755
--- a/include/real.cpp
+++ b/include/real.cpp
@@ -1334,6 +1334,8 @@ HIDDEN int get_picture_decimals (const TString& picture, char& decsep)
       virgola = lastcomma >  lastdot ? lastcomma : lastdot;
       decsep = picture[virgola];
     }
+    else
+      if (lastcomma >= 0) virgola = lastcomma;
   }
   else virgola = picture.find('.');