diff --git a/tests/fragmentation/tfragment_gc.nim b/tests/fragmentation/tfragment_gc.nim
index 3ebed23932..c930ec931b 100644
--- a/tests/fragmentation/tfragment_gc.nim
+++ b/tests/fragmentation/tfragment_gc.nim
@@ -20,7 +20,7 @@ let total = getTotalMem()
 
 # Concrete values on Win64: 58.152MiB / 188.285MiB
 
-let occupiedOk = occ < 80 * 1024 * 1024
+let occupiedOk = occ < 82 * 1024 * 1024
 if not occupiedOk:
   echo "occupied ", formatSize(occ)
 echo "occupied ok: ", occupiedOk