diff --git a/lib/std/start.zig b/lib/std/start.zig
index aea31a1531..71940b12ca 100644
--- a/lib/std/start.zig
+++ b/lib/std/start.zig
@@ -224,7 +224,7 @@ inline fn initEventLoopAndCallMain() u8 {
     if (std.event.Loop.instance) |loop| {
         if (!@hasDecl(root, "event_loop")) {
             loop.init() catch |err| {
-                std.debug.warn("error: {}\n", .{@errorName(err)});
+                std.log.err("{}", .{@errorName(err)});
                 if (@errorReturnTrace()) |trace| {
                     std.debug.dumpStackTrace(trace.*);
                 }
@@ -270,7 +270,7 @@ pub fn callMain() u8 {
         },
         .ErrorUnion => {
             const result = root.main() catch |err| {
-                std.debug.warn("error: {}\n", .{@errorName(err)});
+                std.log.err("{}", .{@errorName(err)});
                 if (@errorReturnTrace()) |trace| {
                     std.debug.dumpStackTrace(trace.*);
                 }