diff --git a/tasmota/xsns_21_sgp30.ino b/tasmota/xsns_21_sgp30.ino
index e3aa2e9e8..ab417a8c3 100644
--- a/tasmota/xsns_21_sgp30.ino
+++ b/tasmota/xsns_21_sgp30.ino
@@ -118,12 +118,14 @@ void Sgp30Show(bool json)
 {
   if (sgp30_ready) {
     char abs_hum[33];
-
+    
+    if (global_update && global_humidity>0 && global_temperature!=9999) {
+        // has humidity + temperature
+        dtostrfd(sgp30_abshum,4,abs_hum);
+    }
     if (json) {
       ResponseAppend_P(PSTR(",\"SGP30\":{\"" D_JSON_ECO2 "\":%d,\"" D_JSON_TVOC "\":%d"), sgp.eCO2, sgp.TVOC);
       if (global_update && global_humidity>0 && global_temperature!=9999) {
-        // has humidity + temperature
-        dtostrfd(sgp30_abshum,4,abs_hum);
         ResponseAppend_P(PSTR(",\"" D_JSON_AHUM "\":%s"),abs_hum);
       }
       ResponseJsonEnd();