diff --git a/linuxkm/module_hooks.c b/linuxkm/module_hooks.c
index 7e6f923dff..cc3357790f 100644
--- a/linuxkm/module_hooks.c
+++ b/linuxkm/module_hooks.c
@@ -472,6 +472,7 @@ static WC_INLINE int IntelRDseed64_r(word64* rnd)
         WC_SANITIZE_ENABLE();
         buf = 0;
     }
+    wc_ForceZero(&buf, 0, sizeof buf);
     return 0;
 }