1 files changed, 1 insertions, 1 deletions
diff --git a/src/prevector.h b/src/prevector.h
index 46640d6fff..f7bde8911a 100644
--- a/src/prevector.h
+++ b/src/prevector.h
@@ -448,7 +448,7 @@ public:
         }
         if (!is_direct()) {
             free(_union.indirect);
-            _union.indirect = NULL;
+            _union.indirect = nullptr;
         }
     }