diff --git a/openbr/plugins/validate.cpp b/openbr/plugins/validate.cpp
index 51a924c..e47a728 100644
--- a/openbr/plugins/validate.cpp
+++ b/openbr/plugins/validate.cpp
@@ -80,6 +80,7 @@ class CrossValidateTransform : public MetaTransform
                     }
                 } else if (partitions[j] == i) {
                     partitionedData.removeAt(j);
+                    j--;
                 } else j--;
             }
             // Train on the remaining templates