1 files changed, 1 insertions, 0 deletions

diff --git a/src/fs/fs_tree.c b/src/fs/fs_tree.c
index d151eb086..b409080db 100644
--- a/src/fs/fs_tree.c
+++ b/src/fs/fs_tree.c
@@ -171,6 +171,7 @@ GNUNET_FS_tree_encoder_create (struct GNUNET_FS_Handle *h,
 {
   struct GNUNET_FS_TreeEncoder *te;
   
+  GNUNET_assert (size > 0);
   te = GNUNET_malloc (sizeof (struct GNUNET_FS_TreeEncoder));
   te->h = h;
   te->size = size;