diff --git a/src/mlpack/methods/range_search/range_search_impl.hpp b/src/mlpack/methods/range_search/range_search_impl.hpp
index 517dc697ca..c6b2e44002 100644
--- a/src/mlpack/methods/range_search/range_search_impl.hpp
+++ b/src/mlpack/methods/range_search/range_search_impl.hpp
@@ -76,7 +76,9 @@ RangeSearch<MetricType, MatType, TreeType>::RangeSearch(
     treeOwner(false),
     naive(false),
     singleMode(singleMode),
-    metric(metric)
+    metric(metric),
+    baseCases(0),
+    scores(0)
 {
   // Nothing else to initialize.
 }