diff --git a/mapic/mistmetrics.go b/mapic/mistmetrics.go
index f58e05e5..907c97b3 100644
--- a/mapic/mistmetrics.go
+++ b/mapic/mistmetrics.go
@@ -75,7 +75,7 @@ func (mc *mac) parsePlaybackID(line string) (string, bool) {
 
 func (mc *mac) enrichLabels(playbackID string) string {
 	res := mc.streamLabel(playbackID)
-	res += ",catalyst=true"
+	res += `,catalyst="true"`
 	si, err := mc.getStreamInfo(playbackID)
 	if err != nil {
 		glog.Warning("could not enrich Mist metrics for stream=%s err=%v", playbackID, err)
diff --git a/mapic/mistmetrics_test.go b/mapic/mistmetrics_test.go
index 17b20aee..02e943fd 100644
--- a/mapic/mistmetrics_test.go
+++ b/mapic/mistmetrics_test.go
@@ -42,10 +42,10 @@ func TestEnrichMistMetrics(t *testing.T) {
 
 	expLines := []string{
 		`version{app="MistServer",version="729ddd4b42980d0124c72a46f13d8e0697293e94",release="Generic_x86_64"} 1`,
-		`mist_sessions{stream="video+077bh6xx5bx5tdua",catalyst=true,user_id="abcdefgh-123456789",sessType="viewers"}1`,
-		`mist_latency{stream="video+077bh6xx5bx5tdua",catalyst=true,user_id="abcdefgh-123456789",source="sin-prod-catalyst-3.lp-playback.studio"}1795`,
-		`mist_sessions{stream="video+51b13mqy7sgw520w",catalyst=true,user_id="hgfedcba-987654321",sessType="viewers"}5`,
-		`mist_latency{stream="video+51b13mqy7sgw520w",catalyst=true,user_id="hgfedcba-987654321",source="prg-prod-catalyst-0.lp-playback.studio"}1156`,
+		`mist_sessions{stream="video+077bh6xx5bx5tdua",catalyst="true",user_id="abcdefgh-123456789",sessType="viewers"}1`,
+		`mist_latency{stream="video+077bh6xx5bx5tdua",catalyst="true",user_id="abcdefgh-123456789",source="sin-prod-catalyst-3.lp-playback.studio"}1795`,
+		`mist_sessions{stream="video+51b13mqy7sgw520w",catalyst="true",user_id="hgfedcba-987654321",sessType="viewers"}5`,
+		`mist_latency{stream="video+51b13mqy7sgw520w",catalyst="true",user_id="hgfedcba-987654321",source="prg-prod-catalyst-0.lp-playback.studio"}1156`,
 	}
 	for _, exp := range expLines {
 		require.Contains(t, resLines, exp)