diff --git a/pkg/notifier/slack.go b/pkg/notifier/slack.go
index 1ca4f9d2..f4a3d5ce 100644
--- a/pkg/notifier/slack.go
+++ b/pkg/notifier/slack.go
@@ -74,7 +74,7 @@ func (s *Slack) Post(workload string, namespace string, message string, fields [
 		color = "danger"
 	}
 
-	sfields := make([]SlackField, len(fields))
+	sfields := make([]SlackField, 0, len(fields))
 	for _, f := range fields {
 		sfields = append(sfields, SlackField{f.Name, f.Value, false})
 	}
diff --git a/pkg/notifier/slack_test.go b/pkg/notifier/slack_test.go
index e0bb976a..3194f0fb 100644
--- a/pkg/notifier/slack_test.go
+++ b/pkg/notifier/slack_test.go
@@ -9,6 +9,11 @@ import (
 )
 
 func TestSlack_Post(t *testing.T) {
+	fields := []Field{
+		{Name: "name1", Value: "value1"},
+		{Name: "name2", Value: "value2"},
+	}
+
 	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		b, err := ioutil.ReadAll(r.Body)
 		if err != nil {
@@ -20,6 +25,10 @@ func TestSlack_Post(t *testing.T) {
 		if payload.Attachments[0].AuthorName != "podinfo.test" {
 			t.Fatal("wrong author name")
 		}
+
+		if len(payload.Attachments[0].Fields) != len(fields) {
+			t.Fatal("wrong facts")
+		}
 	}))
 	defer ts.Close()
 
@@ -28,7 +37,7 @@ func TestSlack_Post(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	err = slack.Post("podinfo", "test", "test", nil, true)
+	err = slack.Post("podinfo", "test", "test", fields, true)
 	if err != nil {
 		t.Fatal(err)
 	}
diff --git a/pkg/notifier/teams.go b/pkg/notifier/teams.go
index e463b908..01050f0a 100644
--- a/pkg/notifier/teams.go
+++ b/pkg/notifier/teams.go
@@ -45,7 +45,7 @@ func NewMSTeams(hookURL string) (*MSTeams, error) {
 
 // Post MS Teams message
 func (s *MSTeams) Post(workload string, namespace string, message string, fields []Field, warn bool) error {
-	facts := make([]MSTeamsField, len(fields))
+	facts := make([]MSTeamsField, 0, len(fields))
 	for _, f := range fields {
 		facts = append(facts, MSTeamsField{f.Name, f.Value})
 	}
diff --git a/pkg/notifier/teams_test.go b/pkg/notifier/teams_test.go
index 70799b12..4045d216 100644
--- a/pkg/notifier/teams_test.go
+++ b/pkg/notifier/teams_test.go
@@ -9,6 +9,12 @@ import (
 )
 
 func TestTeams_Post(t *testing.T) {
+
+	fields := []Field{
+		{Name: "name1", Value: "value1"},
+		{Name: "name2", Value: "value2"},
+	}
+
 	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		b, err := ioutil.ReadAll(r.Body)
 		if err != nil {
@@ -20,6 +26,9 @@ func TestTeams_Post(t *testing.T) {
 		if payload.Sections[0].ActivitySubtitle != "podinfo.test" {
 			t.Fatal("wrong activity subtitle")
 		}
+		if len(payload.Sections[0].Facts) != len(fields) {
+			t.Fatal("wrong facts")
+		}
 	}))
 	defer ts.Close()
 
@@ -28,7 +37,7 @@ func TestTeams_Post(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	err = teams.Post("podinfo", "test", "test", nil, true)
+	err = teams.Post("podinfo", "test", "test", fields, true)
 	if err != nil {
 		t.Fatal(err)
 	}