diff --git a/models/workflow_execution/workflow_execution.go b/models/workflow_execution/workflow_execution.go
index 217067e..e8d9822 100755
--- a/models/workflow_execution/workflow_execution.go
+++ b/models/workflow_execution/workflow_execution.go
@@ -215,9 +215,12 @@ func (d *WorkflowExecution) bookEach(executionsID string, wfID string, dt tools.
 		if s := priced.GetLocationStart(); s != nil && s.After(time.Now()) {
 			start = *s
 		}
-		durationS := priced.GetExplicitDurationInS()
+		// Prefer LocationEnd set by Planify; fall back to ExplicitDurationInS only
+		// when Planify did not compute an end (open-ended / service resources).
 		var endDate *time.Time
-		if durationS > 0 {
+		if locEnd := priced.GetLocationEnd(); locEnd != nil {
+			endDate = locEnd
+		} else if durationS := priced.GetExplicitDurationInS(); durationS > 0 {
 			e := start.Add(time.Duration(durationS) * time.Second)
 			endDate = &e
 		}