diff --git a/apps/rest-common/buffer.c b/apps/rest-common/buffer.c
index 630f21d3e..df5f616a1 100644
--- a/apps/rest-common/buffer.c
+++ b/apps/rest-common/buffer.c
@@ -42,9 +42,11 @@ uint8_t*
 allocate_buffer(uint16_t size)
 {
   uint8_t* buffer = NULL;
+  int rem = 0;
   /*To get rid of alignment problems, always allocate even size*/
-  if (size % 2) {
-    size++;
+  rem = size % 4;
+  if (rem) {
+    size+=(4-rem);
   }
   if (buffer_index + size < buffer_size) {
     buffer = data_buffer + buffer_index;