diff --git a/htdocs/core/lib/invoice2.lib.php b/htdocs/core/lib/invoice2.lib.php
index dcf98c9a70e..5eed1e8e2df 100644
--- a/htdocs/core/lib/invoice2.lib.php
+++ b/htdocs/core/lib/invoice2.lib.php
@@ -37,8 +37,8 @@ require_once(DOL_DOCUMENT_ROOT.'/core/lib/pdf.lib.php');
  * @param 	array		$filter					Array with filters
  * @param 	date		$dateafterdate			Invoice after date
  * @param 	date 		$datebeforedate			Invoice before date
- * @param 	date		$paymentdateafter		Payment after date
- * @param 	date		$paymentdatebefore		Payment before date
+ * @param 	date		$paymentdateafter		Payment after date (must includes hour)
+ * @param 	date		$paymentdatebefore		Payment before date (must includes hour)
  * @param	int			$usestdout				Add information onto standard output
  * @param	int			$regenerate				''=Use existing PDF files, 'nameofpdf'=Regenerate all PDF files using the template
  * @param	string		$option					Suffix to add into file name of generated PDF
diff --git a/scripts/invoices/rebuild_merge_pdf.php b/scripts/invoices/rebuild_merge_pdf.php
index 865adcfe336..9646e808c37 100755
--- a/scripts/invoices/rebuild_merge_pdf.php
+++ b/scripts/invoices/rebuild_merge_pdf.php
@@ -112,7 +112,7 @@ foreach ($argv as $key => $value)
 
 		$dateafterdate=dol_stringtotime($argv[$key+1]);
 		$datebeforedate=dol_stringtotime($argv[$key+2]);
-		print 'Rebuild PDF for invoices validated between '.dol_print_date($dateafterdate,'day')." and ".dol_print_date($datebeforedate,'day').".\n";
+		print 'Rebuild PDF for invoices validated between '.dol_print_date($dateafterdate,'day','gmt')." and ".dol_print_date($datebeforedate,'day','gmt').".\n";
 	}
 
 	if ($value == 'filter=payments')
@@ -121,14 +121,14 @@ foreach ($argv as $key => $value)
 		$option.=(empty($option)?'':'_').'payments_'.$argv[$key+1].'_'.$argv[$key+2];
 		$filter[]='payments';
 
-		$paymentdateafter=dol_stringtotime($argv[$key+1]);
-		$paymentdatebefore=dol_stringtotime($argv[$key+2]);
+		$paymentdateafter=dol_stringtotime($argv[$key+1].'000000');
+		$paymentdatebefore=dol_stringtotime($argv[$key+2].'235959');
 		if (empty($paymentdateafter) || empty($paymentdatebefore))
 		{
 			print 'Error: Bad date format or value'."\n";
 			exit(-1);
 		}
-		print 'Rebuild PDF for invoices with at least one payment between '.dol_print_date($paymentdateafter,'day')." and ".dol_print_date($paymentdatebefore,'day').".\n";
+		print 'Rebuild PDF for invoices with at least one payment between '.dol_print_date($paymentdateafter,'day','gmt')." and ".dol_print_date($paymentdatebefore,'day','gmt').".\n";
 	}
 
 	if ($value == 'filter=nopayment')