diff --git a/newlib/libc/machine/nvptx/calloc.c b/newlib/libc/machine/nvptx/calloc.c
index e83a32d49..f0ccf9018 100644
--- a/newlib/libc/machine/nvptx/calloc.c
+++ b/newlib/libc/machine/nvptx/calloc.c
@@ -22,5 +22,5 @@ calloc (size_t size, size_t len)
   void *p = malloc (size * len);
   if (!p)
     return p;
-  return memset (p, 0, len);
+  return memset (p, 0, size * len);
 }