diff --git a/tiramisu/config.py b/tiramisu/config.py
index afad3d5..2472775 100644
--- a/tiramisu/config.py
+++ b/tiramisu/config.py
@@ -556,11 +556,8 @@ class Config(object):
                 if not hasattr(option, key):
                     return False
                 else:
-                    try:
-                        if getattr(option, key) != value:
-                            return False
-                    except:
-                        pass # a property restricts the access of the value
+                    if getattr(option, key) != value:
+                        return False
                     else:
                         continue
             return True
@@ -592,7 +589,10 @@ class Config(object):
         find_results = []
         paths = self.getpaths(allpaths=True)
         for path in paths:
-            option = self.unwrap_from_path(path)
+            try:
+                option = self.unwrap_from_path(path)
+            except PropertiesOptionError, err:
+                continue
             if not _filter_by_name():
                 continue
             if not _filter_by_value():