diff --git a/openair2/UTIL/MEM/mem_block.h b/openair2/UTIL/MEM/mem_block.h
index edcb147cee..2fa354f25b 100755
--- a/openair2/UTIL/MEM/mem_block.h
+++ b/openair2/UTIL/MEM/mem_block.h
@@ -151,7 +151,9 @@ private_mem_block(void        check_free_mem_block (mem_block_t * leP);)
 
 #    define MEM_MNGT_MB12_BLOCK_SIZE    MEM_MNGT_MB0_BLOCK_SIZE*4096
 // 262144
-#    define MEM_MNGT_MB12_NB_BLOCKS     32 * MEM_SCALE
+#    define MEM_MNGT_MB12_NB_BLOCKS     1024 * MEM_SCALE
+//#    define MEM_MNGT_MB12_NB_BLOCKS     4096 * MEM_SCALE
+
 #    define MEM_MNGT_POOL_ID12          12