diff --git a/freebsd/Platform.c b/freebsd/Platform.c
index 9c88b40d..78ed9bb8 100644
--- a/freebsd/Platform.c
+++ b/freebsd/Platform.c
@@ -284,6 +284,7 @@ bool Platform_getDiskIO(DiskIOData* data) {
    if (devstat_checkversion(NULL) < 0)
       return false;
 
+   // use static to plug memory leak; see #841
    static struct devinfo info = { 0 };
    struct statinfo current = { .dinfo = &info };