diff --git a/sys/arm/broadcom/bcm2835/bcm2836.c b/sys/arm/broadcom/bcm2835/bcm2836.c
index fce9fcf8e2b4..1ec19ace6f4d 100644
--- a/sys/arm/broadcom/bcm2835/bcm2836.c
+++ b/sys/arm/broadcom/bcm2835/bcm2836.c
@@ -362,7 +362,11 @@ bcm_lintc_ipi_dispatch(struct bcm_lintc_softc *sc, u_int cpu,
 		 * and make sure that it's observed by everybody.
 		 */
 		bcm_lintc_write_4(sc, BCM_LINTC_MBOX0_CLR_REG(cpu), 1 << ipi);
+#if defined(__aarch64__)
+		dsb(sy);
+#else
 		dsb();
+#endif
 		intr_ipi_dispatch(ipi, tf);
 	}
 }