diff --git a/src/notmuch.zig b/src/notmuch.zig
index 99fc932..722f2cb 100644
--- a/src/notmuch.zig
+++ b/src/notmuch.zig
@@ -57,7 +57,7 @@ pub const Db = struct {
             "",
             null,
             &db,
-            &err,
+            @ptrCast(&err),
         );
         defer if (err) |e| if (status == null) std.c.free(e);
         if (open_status != c.NOTMUCH_STATUS_SUCCESS) {
@@ -97,7 +97,7 @@ pub const Db = struct {
     //     query = notmuch_query_create (database, query_string);
     //
     //     for (stat = notmuch_query_search_threads (query, &threads);
-    //	    stat == NOTMUCH_STATUS_SUCCESS &&
+    //          stat == NOTMUCH_STATUS_SUCCESS &&
     //          notmuch_threads_valid (threads);
     //          notmuch_threads_move_to_next (threads))
     //     {