diff --git a/lib/std/special/test_runner.zig b/lib/std/special/test_runner.zig
index b9452b79cc..14a35a3aaa 100644
--- a/lib/std/special/test_runner.zig
+++ b/lib/std/special/test_runner.zig
@@ -103,6 +103,6 @@ pub fn log(
         log_err_count += 1;
     }
     if (@enumToInt(message_level) <= @enumToInt(std.testing.log_level)) {
-        std.debug.print("[{}] ({}): " ++ format, .{ @tagName(scope), @tagName(message_level) } ++ args);
+        std.debug.print("[{}] ({}): " ++ format ++ "\n", .{ @tagName(scope), @tagName(message_level) } ++ args);
     }
 }