diff --git a/bench/fill_special.py b/bench/fill_special.py
index ca2a6f4c..496499f0 100644
--- a/bench/fill_special.py
+++ b/bench/fill_special.py
@@ -14,9 +14,9 @@
 import blosc2
 
 # Dimensions, type and persistence properties for the arrays
-nelem = 2_000_000_000
+nelem = 1_00_000_000
 dtype = np.dtype(np.float64)
-print(f"Filling a SChunk with {nelem / 1e9} Gelements of {dtype=}")
+print(f"Filling a SChunk with {nelem / 1e6} Melements of {dtype=}")
 
 persistent = bool(sys.argv[1]) if len(sys.argv) > 1 else False
 if persistent: