diff --git a/BinDisc.cpp b/BinDisc.cpp
index 626b908..551192c 100644
--- a/BinDisc.cpp
+++ b/BinDisc.cpp
@@ -58,7 +58,7 @@ namespace mdlp {
         results.reserve(percentiles.size());
         for (auto percentile : percentiles) {
             const size_t i = static_cast<size_t>(std::floor(static_cast<double>(data.size() - 1) * percentile / 100.));
-            const auto indexLower = clip(i, 0, data.size() - 1);
+            const auto indexLower = clip(i, 0, data.size() - 2);
             const double percentI = static_cast<double>(indexLower) / static_cast<double>(data.size() - 1);
             const double fraction =
                 (percentile / 100.0 - percentI) /
diff --git a/Discretizer.h b/Discretizer.h
index 2a8593c..9749af8 100644
--- a/Discretizer.h
+++ b/Discretizer.h
@@ -18,7 +18,7 @@ namespace mdlp {
         void fit_t(torch::Tensor& X_, torch::Tensor& y_);
         torch::Tensor transform_t(torch::Tensor& X_);
         torch::Tensor fit_transform_t(torch::Tensor& X_, torch::Tensor& y_);
-        static inline std::string version() { return "1.2.1"; };
+        static inline std::string version() { return "1.2.2"; };
     protected:
         labels_t discretizedData = labels_t();
         cutPoints_t cutPoints;