diff --git a/toolbox/mkdosfs.c b/toolbox/mkdosfs.c
index 744aad1..66e720b 100644
--- a/toolbox/mkdosfs.c
+++ b/toolbox/mkdosfs.c
@@ -393,7 +393,7 @@
         bpb.bsec = length / bpb.bps;
         bpb.spt = bpb.bsec;
         // use FAT32 for 2 gig or greater 
-        if (length >= 2 *1024 *1024 *1024) {
+        if (length >= 2LL *1024 *1024 *1024) {
             fat = 32;
         } else {
             fat = 16;
diff --git a/toolbox/smd.c b/toolbox/smd.c
index 65ff994e..91e495c 100644
--- a/toolbox/smd.c
+++ b/toolbox/smd.c
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include <fcntl.h>
 #include <errno.h>