diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7bb777f0c..506acc0ca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 BUG FIXES:
 
+* resource/resource_pagerduty_service: Fix service to populate the `alert_grouping` and `alert_grouping_timeout` fields when reading resource
 * resource/resource_pagerduty_event_rule: Changing pagerduty_event_rule.catch_all field to Computed [GH-169]
 * data-source/pagerduty_vendor: Fix the exact matching of vendor name when it contains special chars [GH-166]
 
diff --git a/pagerduty/resource_pagerduty_service.go b/pagerduty/resource_pagerduty_service.go
index e63580701..5d8b23d26 100644
--- a/pagerduty/resource_pagerduty_service.go
+++ b/pagerduty/resource_pagerduty_service.go
@@ -317,6 +317,14 @@ func resourcePagerDutyServiceRead(d *schema.ResourceData, meta interface{}) erro
 		d.Set("acknowledgement_timeout", strconv.Itoa(*service.AcknowledgementTimeout))
 	}
 	d.Set("alert_creation", service.AlertCreation)
+	if service.AlertGrouping != "" {
+		d.Set("alert_grouping", service.AlertGrouping)
+	}
+	if service.AlertGroupingTimeout == nil {
+		d.Set("alert_grouping_timeout", "null")
+	} else {
+		d.Set("alert_grouping_timeout", *service.AlertGroupingTimeout)
+	}
 
 	if service.IncidentUrgencyRule != nil {
 		if err := d.Set("incident_urgency_rule", flattenIncidentUrgencyRule(service.IncidentUrgencyRule)); err != nil {