diff --git a/ChangeLog b/ChangeLog
index 087407e2f..a81650e7d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -4,7 +4,7 @@
 	* src/const.py.in: Add custom exception "ErrorSchemaInvalid"
 	* src/GrampsMime.py (mime_type_is_defined): New method that returns
 	True/False
-	* src/gramps_main.py (__init__) Catch "ErrorSchemaInvalid" exception
+	* src/gramps_main.py (__init__): Catch "ErrorSchemaInvalid" exception
 	and check for installed MIME-type. Show error because installation is
 	incomplete.
 	
@@ -14,6 +14,11 @@
 	* src/data/Makefile.am: Use defined GCONF_SCHEMA_FILE_DIR and
 	SHARED_MIME_DIR, not the hardcoded paths.
 
+	* src/Errors.py (GConfSchemaError): Add new exception.
+	* src/const.py.in: Remove exception string "ErrorSchemaInvalid"
+	(replaced by new class).
+	* src/GrampsGconfKeys.py (get_bool,get_int,get_string): Raise exception.
+
 2005-03-17  Martin Hawlisch  <Martin.Hawlisch@gmx.de>
 	* src/Exporter.py (build_info_page): proofreading; (build_format_page):
 	shrink the size of the window by using tooltips to display the
diff --git a/src/Errors.py b/src/Errors.py
index 7e814364f..0763e555c 100644
--- a/src/Errors.py
+++ b/src/Errors.py
@@ -81,3 +81,12 @@ class HandleError(Exception):
 
     def __str__(self):
         return self.value
+
+class GConfSchemaError(Exception):
+    """Error used to report the absence of expected GConf schema."""
+    def __init__(self,value):
+        Exception.__init__(self)
+        self.value = value
+
+    def __str__(self):
+        return self.value
diff --git a/src/GrampsGconfKeys.py b/src/GrampsGconfKeys.py
index a3c460dc7..a8484e093 100644
--- a/src/GrampsGconfKeys.py
+++ b/src/GrampsGconfKeys.py
@@ -38,7 +38,7 @@ except ImportError:
 
 import gobject
 import os
-from const import ErrorSchemaInvalid
+import Errors
 
 client = gconf.client_get_default()
 client.add_dir("/apps/gramps",gconf.CLIENT_PRELOAD_NONE)
@@ -349,7 +349,7 @@ def get_bool(key):
     else:
         val = client.get_default_from_schema(key)
         if val == None:
-            raise ErrorSchemaInvalid, "No default value for key "+key
+            raise Errors.GConfSchemaError("No default value for key "+key)
         return val.get_bool()
 
 def set_bool(key,val):
@@ -366,7 +366,7 @@ def get_int(key,correct_tuple=None):
     else:
         val = client.get_default_from_schema(key)
         if val == None:
-            raise ErrorSchemaInvalid, "No default value for key "+key
+            raise Errors.GConfSchemaError("No default value for key "+key)
         return val.get_int()
 
 def set_int(key,val,correct_tuple=None):
@@ -383,7 +383,7 @@ def get_string(key,test_func=None):
     else:
         val = client.get_default_from_schema(key)
         if val == None:
-            raise ErrorSchemaInvalid, "No default value for key "+key
+            raise Errors.GConfSchemaError("No default value for key "+key)
         return val.get_string()
 
 def set_string(key,val,test_func=None):
diff --git a/src/const.py.in b/src/const.py.in
index c63ee28c2..b8bb55f94 100644
--- a/src/const.py.in
+++ b/src/const.py.in
@@ -154,13 +154,6 @@ documenters  = [
 
 translators = _('TRANSLATORS: Translate this to your name in your native language')
 
-#-------------------------------------------------------------------------
-#
-# custom exception
-#
-#-------------------------------------------------------------------------
-ErrorSchemaInvalid = "GConf schema not properly installed"
-
 #-------------------------------------------------------------------------
 #
 # Constants