diff --git a/src/tri/self_hosting_loop.zig b/src/tri/self_hosting_loop.zig
index 11b57da348..184ae89f11 100644
--- a/src/tri/self_hosting_loop.zig
+++ b/src/tri/self_hosting_loop.zig
@@ -196,8 +196,8 @@ pub const SelfHostingSession = struct {
             .safeguards = safeguards,
             .session_id = session_id,
             .start_time = start_time,
-            .target_files = std.ArrayList([]const u8).initCapacity(allocator, 0) catch unreachable,
-            .patch_history = std.ArrayList(SelfPatch).initCapacity(allocator, 0) catch unreachable,
+            .target_files = try std.ArrayList([]const u8).initCapacity(allocator, 0),
+            .patch_history = try std.ArrayList(SelfPatch).initCapacity(allocator, 0),
             .metrics = ImprovementMetrics{},
             .current_branch = current_branch,
             .backup_dir = backup_dir,