diff --git a/epan/dissectors/packet-zbee-zcl-lighting.c b/epan/dissectors/packet-zbee-zcl-lighting.c
index 2f8d880447..4757c272ce 100644
--- a/epan/dissectors/packet-zbee-zcl-lighting.c
+++ b/epan/dissectors/packet-zbee-zcl-lighting.c
@@ -876,7 +876,11 @@ decode_color_xy(gchar *s, guint16 value)
 static void
 decode_color_temperature(gchar *s, guint16 value)
 {
-    g_snprintf(s, ITEM_LABEL_LENGTH, "%d [Mired] (%d [K])", value, 1000000/value);
+    if (value == 0) {
+        g_snprintf(s, ITEM_LABEL_LENGTH, "%u [Mired]", value);
+    } else {
+        g_snprintf(s, ITEM_LABEL_LENGTH, "%u [Mired] (%u [K])", value, 1000000/value);
+    }
     return;
 } /*decode_power_conf_voltage*/