diff --git a/SalesGraph.php b/SalesGraph.php
index a1ab16aa9..4ddb4d49b 100644
--- a/SalesGraph.php
+++ b/SalesGraph.php
@@ -225,12 +225,12 @@
 	$result = DB_query($SQL);
 
 	$fromPeriod = DB_fetch_array($result);
-	$_POST['FromPeriod'] = $fromPeriod['month'] . ' ' . $fromPeriod['year'];
+	$starting = $fromPeriod['month'] . ' ' . $fromPeriod['year'];
 
 	$toPeriod = DB_fetch_array($result);
-	$_POST['ToPeriod'] = $toPeriod['month'] . ' ' . $toPeriod['year'];
+	$ending = $toPeriod['month'] . ' ' . $toPeriod['year'];
 
-	$GraphTitle .= ' ' . _('From Period') . ' ' . $_POST['FromPeriod'] . ' ' . _('to') . ' ' . $_POST['ToPeriod'] . "\n\r";
+	$GraphTitle .= ' ' . _('From Period') . ' ' . $starting . ' ' . _('to') . ' ' . $ending . "\n\r";
 
 	if ($_POST['SalesArea']=='All'){
 		$GraphTitle .= ' ' . _('For All Sales Areas');
diff --git a/doc/Change.log b/doc/Change.log
index febae1e7a..ec3cb5dcc 100644
--- a/doc/Change.log
+++ b/doc/Change.log
@@ -1,5 +1,6 @@
 webERP Change Log
 
+2/5/18   PaulT: SalesGraph.php: Rework previous 7908 implementation that caused graphing to break. (Reported broken in forums by Paul Becker: http://www.weberp.org/forum/showthread.php?tid=8071)
 2/4/18   PaulT: InternalStockRequestInquiry.php: Restore ONE space to previous 7936 commit.
 2/4/18   PaulT: Remove unused $db and $conn parameters from DB_Last_Insert_ID() and (where present) from DB_show_tables(), and DB_show_fields(). Also, remove any unused 'global $db' references across the code base.
 2/4/18   Paul Becker (PaulT commit): MRPPlannedPurchaseOrders.php: Add capability to review planned purchase orders and add a new link to convert to a new PO. (Reported in forums: http://www.weberp.org/forum/showthread.php?tid=8061)