diff --git a/VERSION b/VERSION
index 7245720d..d9beb281 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-Version 2.4.5-stable+timestamp.2013.04.03.16.48.32
+Version 2.4.5-stable+timestamp.2013.04.04.21.10.38
diff --git a/gluon/sqlhtml.py b/gluon/sqlhtml.py
index b110b5d8..fac59c5a 100644
--- a/gluon/sqlhtml.py
+++ b/gluon/sqlhtml.py
@@ -2122,7 +2122,10 @@ class SQLFORM(FORM):
             dbset = dbset(subquery)
         try:
             if left or groupby:
-                c = 'count(*)'
+                if groupby:
+                    c = 'count(distinct %s)' % str(groupby)
+                else:
+                    c = 'count(*)'
                 nrows = dbset.select(c, left=left, cacheable=True,
                                      groupby=groupby).first()[c]
             elif dbset._db._adapter.dbengine=='google:datastore':