diff --git a/src/us/mn/state/dot/tms/server/comm/ntcip/OpQueryDMSStatus.java b/src/us/mn/state/dot/tms/server/comm/ntcip/OpQueryDMSStatus.java
index a67a3ed0b..ad3fe9aea 100644
--- a/src/us/mn/state/dot/tms/server/comm/ntcip/OpQueryDMSStatus.java
+++ b/src/us/mn/state/dot/tms/server/comm/ntcip/OpQueryDMSStatus.java
@@ -564,7 +564,7 @@ private void pollTemp(CommMessage mess, String key, MIB1203 min_obj,
 			JSONArray temps = new JSONArray();
 			if (mn_valid)
 				temps.put(mn);
-			if (mx_valid)
+			if (mx_valid && (mx > mn || !mn_valid))
 				temps.put(mx);
 			if (mn_valid || mx_valid)
 				putStatus(key, temps);