diff --git a/receiver/solacereceiver/unmarshaller.go b/receiver/solacereceiver/unmarshaller.go
index 92a70e533654..bb581f46f6f4 100644
--- a/receiver/solacereceiver/unmarshaller.go
+++ b/receiver/solacereceiver/unmarshaller.go
@@ -455,7 +455,11 @@ func (u *solaceMessageUnmarshallerV1) insertUserProperty(toMap pcommon.Map, key
 	case *model_v1.SpanData_UserPropertyValue_DoubleValue:
 		toMap.PutDouble(k, v.DoubleValue)
 	case *model_v1.SpanData_UserPropertyValue_ByteArrayValue:
-		toMap.PutEmptyBytes(k).FromRaw(v.ByteArrayValue)
+		// Convert the byte array to a slice of integers
+		slice := toMap.PutEmptySlice(k)
+		for _, b := range v.ByteArrayValue {
+			slice.AppendEmpty().SetIntVal((int64)(b))
+		}
 	case *model_v1.SpanData_UserPropertyValue_FloatValue:
 		toMap.PutDouble(k, float64(v.FloatValue))
 	case *model_v1.SpanData_UserPropertyValue_Int8Value:
diff --git a/receiver/solacereceiver/unmarshaller_test.go b/receiver/solacereceiver/unmarshaller_test.go
index 18a85917e178..68900d4dd935 100644
--- a/receiver/solacereceiver/unmarshaller_test.go
+++ b/receiver/solacereceiver/unmarshaller_test.go
@@ -962,9 +962,9 @@ func TestUnmarshallerInsertUserProperty(t *testing.T) {
 		},
 		{
 			&model_v1.SpanData_UserPropertyValue_ByteArrayValue{ByteArrayValue: []byte{1, 2, 3, 4}},
-			pcommon.ValueTypeBytes,
+			pcommon.ValueTypeSlice,
 			func(val pcommon.Value) {
-				assert.Equal(t, []byte{1, 2, 3, 4}, val.BytesVal().AsRaw())
+				assert.Equal(t, []interface{}{int64(1), int64(2), int64(3), int64(4)}, val.SliceVal().AsRaw())
 			},
 		},
 		{