diff --git a/src/devices/Skale_json.h b/src/devices/Skale_json.h
index 8557d5c1..5603f42e 100644
--- a/src/devices/Skale_json.h
+++ b/src/devices/Skale_json.h
@@ -1,4 +1,4 @@
-const char* _Skale_json = "{\"brand\":\"Atomax\",\"model\":\"Skale I/II\",\"model_id\":\"SKALE\",\"tag\":\"0501\",\"condition\":[\"manufacturerdata\",\"=\",12,\"index\",0,\"ef81\"],\"properties\":{\"weight\":{\"decoder\":[\"value_from_hex_data\",\"manufacturerdata\",4,4,true,false],\"post_proc\":[\"/\",10]}}}";
+const char* _Skale_json = "{\"brand\":\"Atomax\",\"model\":\"Skale I/II\",\"model_id\":\"SKALE\",\"tag\":\"0501\",\"condition\":[\"manufacturerdata\",\"=\",12,\"index\",0,\"ef81\"],\"properties\":{\"weight\":{\"decoder\":[\"value_from_hex_data\",\"manufacturerdata\",4,4,true,true],\"post_proc\":[\"/\",10]}}}";
 /*R""""(
 {
    "brand":"Atomax",
@@ -8,7 +8,7 @@ const char* _Skale_json = "{\"brand\":\"Atomax\",\"model\":\"Skale I/II\",\"mode
    "condition":["manufacturerdata", "=", 12, "index", 0, "ef81"],
    "properties":{
       "weight":{
-         "decoder":["value_from_hex_data", "manufacturerdata", 4, 4, true, false],
+         "decoder":["value_from_hex_data", "manufacturerdata", 4, 4, true, true],
          "post_proc":["/", 10]
       }
    }
diff --git a/tests/BLE/test_ble.cpp b/tests/BLE/test_ble.cpp
index 4a328eea..453d2315 100644
--- a/tests/BLE/test_ble.cpp
+++ b/tests/BLE/test_ble.cpp
@@ -110,6 +110,7 @@ const char* expected_mfg[] = {
     "{\"brand\":\"Polar\",\"model\":\"Heart Rate Sensor\",\"model_id\":\"H10\",\"type\":\"BODY\",\"bpm\":104}",
     "{\"brand\":\"Atomax\",\"model\":\"Skale I/II\",\"model_id\":\"SKALE\",\"type\":\"SCALE\",\"cidc\":false,\"weight\":123.9}",
     "{\"brand\":\"Atomax\",\"model\":\"Skale I/II\",\"model_id\":\"SKALE\",\"type\":\"SCALE\",\"cidc\":false,\"weight\":29.6}",
+    "{\"brand\":\"Atomax\",\"model\":\"Skale I/II\",\"model_id\":\"SKALE\",\"type\":\"SCALE\",\"cidc\":false,\"weight\":-92.8}",
 };
 
 const char* expected_name_uuid_mfgsvcdata[] = {
@@ -381,6 +382,7 @@ const char* test_mfgdata[][3] = {
     {"Polar", "Polar H10 75087320", "6b002f166b68"},
     {"Atomax", "Skale I/II", "ef81d70400ff"},
     {"Atomax", "Skale I/II", "ef81280100ff"},
+    {"Atomax", "Skale I/II", "ef8160fcffff"},
 };
 
 TheengsDecoder::BLE_ID_NUM test_mfgdata_id_num[]{
@@ -473,6 +475,7 @@ TheengsDecoder::BLE_ID_NUM test_mfgdata_id_num[]{
     TheengsDecoder::BLE_ID_NUM::PH10,
     TheengsDecoder::BLE_ID_NUM::SKALE,
     TheengsDecoder::BLE_ID_NUM::SKALE,
+    TheengsDecoder::BLE_ID_NUM::SKALE,
 };
 
 // uuid test input [test name] [device name] [uuid] [manufacturer data] [service data]