diff --git a/kernel/procfs.c b/kernel/procfs.c
index 4bcedd69..3598fb50 100644
--- a/kernel/procfs.c
+++ b/kernel/procfs.c
@@ -358,7 +358,7 @@ void process_procfs_request(struct ikc_scd_packet *rpacket)
 			 *  08048000-08056000 r-xp 00000000 03:0c 64593   /usr/sbin/gpm
 			 */
 			written_now = snprintf(_buf, left, 
-					"%lx-%lx %s%s%s%s %lx %lx:%lx %d\t\t\t%s\n",
+					"%012lx-%012lx %s%s%s%s %lx %lx:%lx %d\t\t\t%s\n",
 					range->start, range->end,
 					range->flag & VR_PROT_READ ? "r" : "-",
 					range->flag & VR_PROT_WRITE ? "w" : "-",
@@ -374,6 +374,9 @@ void process_procfs_request(struct ikc_scd_packet *rpacket)
 					range->start ==
 						(unsigned long)vm->vvar_addr ? "[vsyscall]" :
 					range->flag & VR_STACK ? "[stack]" :
+					range->start >= vm->region.brk_start &&
+						range->end <= vm->region.brk_end_allocated ?
+						"[heap]" :
 					""
 					);