diff --git a/firmware/acid-firmware/src/db/mod.rs b/firmware/acid-firmware/src/db/mod.rs
index d8d1e97..0549f7c 100644
--- a/firmware/acid-firmware/src/db/mod.rs
+++ b/firmware/acid-firmware/src/db/mod.rs
@@ -16,6 +16,8 @@ use esp_hal::rng::Trng;
 use esp_storage::FlashStorage;
 use log::{debug, info};
 
+use crate::ram::PSRAM_ALLOCATOR;
+
 pub type PartitionAcid =
     Partition<'static, CriticalSectionRawMutex, BlockingAsync<FlashStorage<'static>>>;
 
@@ -25,7 +27,7 @@ struct AlignedBuf<const N: usize>(pub [u8; N]);
 
 pub struct EkvFlash<T> {
     flash: T,
-    buffer: Box<AlignedBuf<{ ekv::config::PAGE_SIZE }>>,
+    buffer: Box<AlignedBuf<{ ekv::config::PAGE_SIZE }>, &'static esp_alloc::EspHeap>,
 }
 
 impl<T> EkvFlash<T> {
@@ -34,7 +36,7 @@ impl<T> EkvFlash<T> {
             flash,
             buffer: {
                 // Allocate the buffer directly on the heap.
-                let buffer = Box::new_zeroed();
+                let buffer = Box::new_zeroed_in(&PSRAM_ALLOCATOR);
                 unsafe { buffer.assume_init() }
             },
         }