diff --git a/src/aof.c b/src/aof.c
index f5a90a12..dc7d1187 100644
--- a/src/aof.c
+++ b/src/aof.c
@@ -1082,6 +1082,7 @@ int rewriteAppendOnlyFile(char *filename) {
             }
         }
         dictReleaseIterator(di);
+        di = NULL;
     }
 
     /* Do an initial slow fsync here while the parent is still sending