diff --git a/VERSION b/VERSION
index 6806120e..1137315f 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-Version 2.7.3-stable+timestamp.2013.10.11.20.42.02
+Version 2.7.3-stable+timestamp.2013.10.11.22.35.50
diff --git a/gluon/validators.py b/gluon/validators.py
index 8378e29d..76d9dc0c 100644
--- a/gluon/validators.py
+++ b/gluon/validators.py
@@ -22,7 +22,7 @@ from cStringIO import StringIO
 from gluon.utils import simple_hash, web2py_uuid, DIGEST_ALG_BY_SIZE
 from gluon.dal import FieldVirtual, FieldMethod
 
-regex_isint = re.compile('^[\+\-]?\d+$')
+regex_isint = re.compile('^[+-]?\d+$')
 
 JSONErrors = (NameError, TypeError, ValueError, AttributeError,
               KeyError)