diff --git a/meshroom/core/cgroup.py b/meshroom/core/cgroup.py
index ba0d2cbd..4a38a8eb 100755
--- a/meshroom/core/cgroup.py
+++ b/meshroom/core/cgroup.py
@@ -32,7 +32,7 @@ def getCgroupMemorySize():
         return -1
 
     size = -1
-    filename = f"/sys/fs/cgroup/memory/{cgroup}"
+    filename = f"/sys/fs/cgroup/memory/{cgroup}/memory.limit_in_bytes"
     try:
         with open(filename, "r") as f :
             value = f.read().rstrip("\r\n")