.

vello_bench/src/allocations/counter.rs

diff --git a/vello_bench/src/allocations/counter.rs b/vello_bench/src/allocations/counter.rs
index 94057dc..a1040ed 100644
--- a/vello_bench/src/allocations/counter.rs
+++ b/vello_bench/src/allocations/counter.rs
@@ -38,9 +38,9 @@
     }
 
     unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {
-        LIVE_BYTES.fetch_sub(layout.size(), Relaxed);
         // SAFETY: The caller upholds `GlobalAlloc::dealloc`'s contract.
         unsafe { System.dealloc(ptr, layout) };
+        LIVE_BYTES.fetch_sub(layout.size(), Relaxed);
     }
 
     unsafe fn realloc(&self, ptr: *mut u8, layout: Layout, new_size: usize) -> *mut u8 {