diff --git a/src/metkit/codes/CodesDecoder.h b/src/metkit/codes/CodesDecoder.h
index e47fe8e6..de41d78e 100644
--- a/src/metkit/codes/CodesDecoder.h
+++ b/src/metkit/codes/CodesDecoder.h
@@ -13,10 +13,11 @@
 
 #pragma once
 
+#include <eccodes.h>
+
 #include "eckit/message/Decoder.h"
 #include "eckit/message/Message.h"
-
-#include <eccodes.h>
+#include "eckit/utils/Translator.h"
 
 
 namespace metkit {
@@ -32,6 +33,13 @@ class CodesDecoder : public eckit::message::MessageDecoder {
     void decodeKey(codes_handle* h, codes_keys_iterator* it, const char* name, eckit::message::MetadataGatherer& gather,
                    const eckit::message::GetMetadataOptions& options) const {
 
+        std::string keyword(name);
+
+        if (keyword == "levelist") {
+            eckit::Translator<double, std::string> t;
+            gather.setValue(name, t(static_cast<const DERIVED*>(this)->getDouble(h, it, name)));
+            return;
+        }
         if (options.valueRepresentation == eckit::message::ValueRepresentation::String) {
             decodeString(h, it, gather, name);
         }