This range check was in the wrong direction

1 files changed, 1 insertions, 1 deletions

diff --git a/src/tests/tests.h b/src/tests/tests.h
index fe5760c2b..236a89d6f 100644
--- a/src/tests/tests.h
+++ b/src/tests/tests.h
@@ -348,7 +348,7 @@ class Test
 
          if(r.size() > min_offset)
             {
-            const size_t offset = std::min<size_t>(min_offset, rng.next_byte() % r.size());
+            const size_t offset = std::max<size_t>(min_offset, rng.next_byte() % r.size());
             const byte perturb = rng.next_nonzero_byte();
             r[offset] ^= perturb;
             }