diff --git a/docs/changelog/7.x.x.txt b/docs/changelog/7.x.x.txt
index 119602605..557d1b3c0 100644
--- a/docs/changelog/7.x.x.txt
+++ b/docs/changelog/7.x.x.txt
@@ -22,6 +22,7 @@
  - fixed #11064: spelling error
  - fixed #11062: subscriptionCode
  - fixed #11061: SQLForm_fieldOrder
+ - fixed #11066: wrong definitions
 
 7.8.0
  - upgraded YUI to 2.8.0r4
diff --git a/docs/upgrades/upgrade_7.8.0-7.8.1.pl b/docs/upgrades/upgrade_7.8.0-7.8.1.pl
index a4cce2523..1e2dc633b 100644
--- a/docs/upgrades/upgrade_7.8.0-7.8.1.pl
+++ b/docs/upgrades/upgrade_7.8.0-7.8.1.pl
@@ -34,6 +34,7 @@ fixWikis( $session );
 fixEMSTemplates( $session );
 removeOldSubscriptionTables( $session );
 removeSQLFormTables( $session );
+fixBadRevisionDateColumns( $session );
 
 finish($session); # this line required
 
@@ -47,6 +48,18 @@ finish($session); # this line required
 #    print "DONE!\n" unless $quiet;
 #}
 
+# Describe what our function does
+sub fixBadRevisionDateColumns {
+    my $session = shift;
+    print "\tGive all revisionDate columns the correct definition... " unless $quiet;
+    $session->db->write("ALTER TABLE Event       MODIFY COLUMN revisionDate BIGINT NOT NULL DEFAULT 0");
+    $session->db->write("ALTER TABLE Calendar    MODIFY COLUMN revisionDate BIGINT NOT NULL DEFAULT 0");
+    $session->db->write("ALTER TABLE MultiSearch MODIFY COLUMN revisionDate BIGINT NOT NULL DEFAULT 0");
+    $session->db->write("ALTER TABLE Dashboard   MODIFY COLUMN revisionDate BIGINT NOT NULL DEFAULT 0");
+    $session->db->write("ALTER TABLE StockData   MODIFY COLUMN revisionDate BIGINT NOT NULL DEFAULT 0");
+    print "Done.\n" unless $quiet;
+}
+
 # Describe what our function does
 sub removeSQLFormTables {
     my $session = shift;