diff --git a/selftest/probe-features/main.bpf.c b/selftest/probe-features/main.bpf.c
index e526e4cd..d8d10068 100644
--- a/selftest/probe-features/main.bpf.c
+++ b/selftest/probe-features/main.bpf.c
@@ -6,7 +6,7 @@
 SEC("kprobe/sys_mmap")
 int kprobe__sys_mmap(struct pt_regs *ctx)
 {
-	bpf_printk("Yankees will win the 2022 world series");
+    bpf_printk("Yankees will win the 2022 world series");
     return 0;
 }