diff --git a/microdroid_manager/src/main.rs b/microdroid_manager/src/main.rs
index 1148c31..a464163 100644
--- a/microdroid_manager/src/main.rs
+++ b/microdroid_manager/src/main.rs
@@ -721,6 +721,9 @@
     // Use the salt from a verified instance, or generate a salt for a new instance.
     let salt = if let Some(saved_data) = saved_data {
         saved_data.salt.clone()
+    } else if is_strict_boot() {
+        // No need to add more entropy as a previous stage must have used a new, random salt.
+        vec![0u8; 64]
     } else {
         let mut salt = vec![0u8; 64];
         salt.as_mut_slice().try_fill(&mut rand::thread_rng())?;