diff --git a/setup.py b/setup.py
index b523bb8..b425011 100644
--- a/setup.py
+++ b/setup.py
@@ -9,6 +9,6 @@ setup(
     version='1.0',
     description='configuration management tool',
     url='http://labs.libre-entreprise.org/projects/tiramisu',
-    package_dir = {'tiramisu':'src'},
+    package_dir = {'tiramisu':'tiramisu'},
     packages=['tiramisu']
 )
diff --git a/src/__init__.py b/tiramisu/__init__.py
similarity index 100%
rename from src/__init__.py
rename to tiramisu/__init__.py
diff --git a/src/autolib.py b/tiramisu/autolib.py
similarity index 98%
rename from src/autolib.py
rename to tiramisu/autolib.py
index 988a6b2..febc172 100644
--- a/src/autolib.py
+++ b/tiramisu/autolib.py
@@ -19,7 +19,7 @@
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
 "enables us to carry out a calculation and return an option's value"
-from error import DisabledOptionError, SpecialOwnersError
+from tiramisu.error import DisabledOptionError, SpecialOwnersError
 # ____________________________________________________________
 # automatic Option object
 special_owners = ['auto', 'fill']
diff --git a/src/basetype.py b/tiramisu/basetype.py
similarity index 100%
rename from src/basetype.py
rename to tiramisu/basetype.py
diff --git a/src/config.py b/tiramisu/config.py
similarity index 99%
rename from src/config.py
rename to tiramisu/config.py
index 851ac77..5a0c748 100644
--- a/src/config.py
+++ b/tiramisu/config.py
@@ -20,14 +20,14 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-from error import (HiddenOptionError, ConfigError, NotFoundError, 
+from copy import copy
+from tiramisu.error import (HiddenOptionError, ConfigError, NotFoundError, 
                 AmbigousOptionError, ConflictConfigError, NoMatchingOptionFound, 
                             SpecialOwnersError, MandatoryError, MethodCallError, 
                                            DisabledOptionError, ModeOptionError)
-from option import (OptionDescription, Option, SymLinkOption, group_types, 
+from tiramisu.option import (OptionDescription, Option, SymLinkOption, group_types, 
                     Multi, apply_requires, modes)
-from autolib import special_owners, special_owner_factory
-from copy import copy
+from tiramisu.autolib import special_owners, special_owner_factory
 # ______________________________________________________________________
 # generic owner. 'default' is the general config owner after init time
 default_owner = 'user'
diff --git a/src/error.py b/tiramisu/error.py
similarity index 100%
rename from src/error.py
rename to tiramisu/error.py
diff --git a/src/option.py b/tiramisu/option.py
similarity index 99%
rename from src/option.py
rename to tiramisu/option.py
index d6de739..e6d8678 100644
--- a/src/option.py
+++ b/tiramisu/option.py
@@ -20,9 +20,9 @@
 # the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
 # ____________________________________________________________
-from autolib import special_owners
-from basetype import HiddenBaseType, DisabledBaseType, ModeBaseType, modes
-from error import (ConfigError, ConflictConfigError, NotFoundError, 
+from tiramisu.autolib import special_owners
+from tiramisu.basetype import HiddenBaseType, DisabledBaseType, ModeBaseType, modes
+from tiramisu.error import (ConfigError, ConflictConfigError, NotFoundError, 
                    SpecialOwnersError, RequiresError)
 available_actions = ['hide', 'show', 'enable', 'disable'] 
 reverse_actions = {'hide': 'show', 'show': 'hide', 
diff --git a/src/tool.py b/tiramisu/tool.py
similarity index 97%
rename from src/tool.py
rename to tiramisu/tool.py
index 9a31c45..229703f 100644
--- a/src/tool.py
+++ b/tiramisu/tool.py
@@ -17,8 +17,8 @@
 # The original `Config` design model is unproudly borrowed from 
 # the rough gus of pypy: pypy: http://codespeak.net/svn/pypy/dist/pypy/config/
 # the whole pypy projet is under MIT licence
-from config import Config
-from option import (OptionDescription, Option, ChoiceOption, BoolOption, 
+from tiramisu.config import Config
+from tiramisu.option import (OptionDescription, Option, ChoiceOption, BoolOption, 
                     FloatOption, StrOption, IntOption, IPOption, NetmaskOption, 
                     ArbitraryOption, group_types, apply_requires)