1 files changed, 3 insertions, 1 deletions

diff --git a/tools/sops-inventory/sops_inventory/__main__.py b/tools/sops-inventory/sops_inventory/__main__.py
index aaddda8c..f43b7c2f 100644
--- a/tools/sops-inventory/sops_inventory/__main__.py
+++ b/tools/sops-inventory/sops_inventory/__main__.py
@@ -20,12 +20,14 @@ except ImportError:
 
 SOPS_TYPES = frozenset({'kms', 'gcp_kms', 'azure_kv', 'hc_vault', 'age', 'pgp'})
 
+BUFFER_SIZE = os.sysconf('SC_PAGESIZE')
+
 
 def readnull(fh):
     buffer = b''
 
     while True:
-        chunk = fh.read(4096)
+        chunk = fh.read(BUFFER_SIZE)
         buffer += chunk
         if not buffer:
             break