1 files changed, 3 insertions, 1 deletions
diff --git a/src/libexpr/eval.hh b/src/libexpr/eval.hh
index 551ae8d488ac..313a1d9b8e5f 100644
--- a/src/libexpr/eval.hh
+++ b/src/libexpr/eval.hh
@@ -280,8 +280,10 @@ public:
 
 private:
     
-    unsigned long nrValues;
     unsigned long nrEnvs;
+    unsigned long nrValuesInEnvs;
+    unsigned long nrValuesInLists;
+    unsigned long nrValues;
     unsigned long nrEvaluated;
     unsigned int recursionDepth;
     unsigned int maxRecursionDepth;