diff --git a/avida-core/source/actions/SaveLoadActions.cc b/avida-core/source/actions/SaveLoadActions.cc
index 88b45e775..b2e459b4a 100644
--- a/avida-core/source/actions/SaveLoadActions.cc
+++ b/avida-core/source/actions/SaveLoadActions.cc
@@ -197,7 +197,7 @@ class cActionSaveGermlines : public cAction
 
     // String Entries
     schema.AddEntry("filename", 0, "detailgermlines");
-    schema.AddEntry("birthcounts", 0, false);
+    schema.AddEntry("birthcounts", 1, false);
 
     cArgContainer* argc = cArgContainer::Load(args, schema, feedback);