diff --git a/exosphere/src/arm.s b/exosphere/src/arm.s
index 530c207f2..939a869ea 100644
--- a/exosphere/src/arm.s
+++ b/exosphere/src/arm.s
@@ -235,10 +235,10 @@ invalidate_icache_all_inner_shareable:
 .type       invalidate_icache_all, %function
 .global     invalidate_icache_all
 invalidate_icache_all:
-    dsb sy
+    dsb ish
     isb
     ic  iallu
-    dsb sy
+    dsb ish
     isb
     ret