diff --git a/app/corpora/cqi/models/subcorpora.py b/app/corpora/cqi/models/subcorpora.py
index 31b86ea00d48be2fb43552fcbe724cf1bbbdc57c..bb662d3e567c30437ac703873495fa581fc6d6ed 100644
--- a/app/corpora/cqi/models/subcorpora.py
+++ b/app/corpora/cqi/models/subcorpora.py
@@ -48,7 +48,7 @@ class Subcorpus:
     def dump_values(self, context=25, first_result=0,
                     num_results=float('inf')):
         first_result = max(0, first_result)
-        last_result = min((first_result + num_results), (self.size - 1))
+        last_result = min((first_result + num_results - 1), (self.size - 1))
         matches = []
         match_boundaries = zip(self.dump(self.fields['match'], first_result,
                                          last_result),