diff --git a/VolumeManager.cpp b/VolumeManager.cpp
index a67c8ec..3b4c054 100644
--- a/VolumeManager.cpp
+++ b/VolumeManager.cpp
@@ -617,7 +617,7 @@
         }
 
         // We purposefully leave the namespace open across the fork
-        nsFd = openat(pidFd, "ns/mnt", O_RDONLY);
+        nsFd = openat(pidFd, "ns/mnt", O_RDONLY); // not O_CLOEXEC
         if (nsFd < 0) {
             PLOG(WARNING) << "Failed to open namespace for " << de->d_name;
             goto next;