diff --git a/sys/arm64/arm64/exec_machdep.c b/sys/arm64/arm64/exec_machdep.c
index 715c41031c92..ee189de4b6e3 100644
--- a/sys/arm64/arm64/exec_machdep.c
+++ b/sys/arm64/arm64/exec_machdep.c
@@ -593,7 +593,7 @@ sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask)
 		sigexit(td, SIGILL);
 	}
 
-	tf->tf_x[0]= sig;
+	tf->tf_x[0] = sig;
 	tf->tf_x[1] = (register_t)&fp->sf_si;
 	tf->tf_x[2] = (register_t)&fp->sf_uc;