diff --git a/exosphere/start.cold.s b/exosphere/start.cold.s
index 92b5cb003..358570d8e 100644
--- a/exosphere/start.cold.s
+++ b/exosphere/start.cold.s
@@ -10,7 +10,7 @@ __start_cold:
         */
     /* The following comments are mine. */
     /* mask all interrupts */
-    msr daifset, daif
+    msr daifset, 0b1111
 
     /*
         Enable invalidates of branch target buffer, then flush
diff --git a/exosphere/start.warm.s b/exosphere/start.warm.s
index a27fbf528..fcb4faa8e 100644
--- a/exosphere/start.warm.s
+++ b/exosphere/start.warm.s
@@ -10,7 +10,7 @@ __start_warm:
         */
     /* The following comments are mine. */
     /* mask all interrupts */
-    msr daifset, daif
+    msr daifset, 0b1111
 
     /*
         Enable invalidates of branch target buffer, then flush