diff --git a/Utilities/cmcurl/formdata.c b/Utilities/cmcurl/formdata.c
index 5abff6ee8..0e66e6072 100644
--- a/Utilities/cmcurl/formdata.c
+++ b/Utilities/cmcurl/formdata.c
@@ -1469,7 +1469,7 @@ char *Curl_FormBoundary(void)
   if(!retstring)
     return NULL; /* failed */
 
-  srand(time(NULL)+randomizer++); /* seed */
+  srand((unsigned int)((time(NULL)+randomizer++))); /* seed */
 
   strcpy(retstring, "----------------------------");
 
diff --git a/Utilities/cmtar/libtar.h b/Utilities/cmtar/libtar.h
index fb87e5b5c..1eba00267 100644
--- a/Utilities/cmtar/libtar.h
+++ b/Utilities/cmtar/libtar.h
@@ -199,9 +199,9 @@ void th_set_user(TAR *t, uid_t uid);
 void th_set_group(TAR *t, gid_t gid);
 void th_set_mode(TAR *t, mode_t fmode);
 #define th_set_mtime(t, fmtime) \
-  int_to_oct_nonull((fmtime), (t)->th_buf.mtime, 12)
+  int_to_oct_nonull((int)(fmtime), (t)->th_buf.mtime, 12)
 #define th_set_size(t, fsize) \
-  int_to_oct_nonull((fsize), (t)->th_buf.size, 12)
+  int_to_oct_nonull((int)(fsize), (t)->th_buf.size, 12)
 
 /* encode everything at once (except the pathname and linkname) */
 void th_set_from_stat(TAR *t, struct stat *s);