diff --git a/interfaces/rre.c b/interfaces/rre.c
index 7f87fa0..ad703d5 100644
--- a/interfaces/rre.c
+++ b/interfaces/rre.c
@@ -67,7 +67,7 @@
   ---------------------------------------------------------------------*/
 
 #define CELL         int32_t      /* Cell size (32 bit, signed integer */
-#define IMAGE_SIZE   524288 * 16  /* Amount of RAM. 8MiB by default.   */
+#define IMAGE_SIZE   524288 * 24  /* Amount of RAM. 12MiB by default.  */
 #define ADDRESSES    2048         /* Depth of address stack            */
 #define STACK_DEPTH  512          /* Depth of data stack               */