diff -r 83ccc36df675 -r ad28e09e3abd www/import/from_brouwhulp.php
--- a/www/import/from_brouwhulp.php	Thu Sep 20 17:50:30 2018 +0200
+++ b/www/import/from_brouwhulp.php	Fri Sep 21 17:10:41 2018 +0200
@@ -601,6 +601,8 @@
 				$hops .= ',"h_useat":"' . mysqli_real_escape_string($db, $hop->USE) . '"';
 				if ($hop->TIME)
 					$hops .= ',"h_time":' . floatval($hop->TIME);
+				else
+					$hops .= ',"h_time":0';
 				$hops .= ',"h_alpha":' . floatval($hop->ALPHA);
 				$hops .= ',"h_beta":' . floatval($hop->BETA);
 				$hops .= ',"h_hsi":' . floatval($hop->HSI);