diff --git a/src/collocatordb.cc b/src/collocatordb.cc
index 02d3049..c611994 100644
--- a/src/collocatordb.cc
+++ b/src/collocatordb.cc
@@ -820,11 +820,11 @@
       "\"md\":" << c.md << "," <<
       "\"dice\":" << c.dice << "," <<
       "\"ld\":" << c.logdice << "," <<
-      "\"lncount\":" << c.left_raw << "," <<
-      "\"rncount\":" << c.right_raw << "," <<
-      "\"lnpmi\":" << c.left_pmi << "," <<
-      "\"rnpmi\":" << c.right_pmi << "," <<
-      "\"af\":" << c.ldaf << "," <<
+      "\"ln_count\":" << c.left_raw << "," <<
+      "\"rn_count\":" << c.right_raw << "," <<
+      "\"ln_pmi\":" << c.left_pmi << "," <<
+      "\"rn_pmi\":" << c.right_pmi << "," <<
+      "\"ldaf\":" << c.ldaf << "," <<
       "\"win\":" << c.window << "," <<
       "\"afwin\":" << c.af_window <<
       "}";