diff --git a/lib/mammoth/src/init.cpp b/lib/mammoth/src/init.cpp
index 9fb3cf8..1cf193c 100644
--- a/lib/mammoth/src/init.cpp
+++ b/lib/mammoth/src/init.cpp
@@ -17,11 +17,11 @@ z_err_t ParseInitPort(uint64_t init_port_cap) {
   while ((ret = port.PollForIntCap(&init_sig, &init_cap)) != Z_ERR_EMPTY) {
     RET_ERR(ret);
     switch (init_sig) {
-      case Z_INIT_PROC_SELF:
+      case Z_INIT_SELF_PROC:
         dbgln("received proc");
         gSelfProcCap = init_cap;
         break;
-      case Z_INIT_VMAS_SELF:
+      case Z_INIT_SELF_VMAS:
         dbgln("received vmas");
         gSelfVmasCap = init_cap;
         break;
diff --git a/lib/mammoth/src/process.cpp b/lib/mammoth/src/process.cpp
index 13be100..326b87e 100644
--- a/lib/mammoth/src/process.cpp
+++ b/lib/mammoth/src/process.cpp
@@ -6,6 +6,7 @@
 
 #include "mammoth/channel.h"
 #include "mammoth/debug.h"
+#include "mammoth/init.h"
 
 #define MAM_PROC_DEBUG 0
 
@@ -77,7 +78,7 @@ uint64_t LoadElfProgram(uint64_t base, uint64_t as_cap) {
     dbgln("Map Local");
 #endif
     uint64_t vaddr;
-    check(ZAddressSpaceMap(Z_INIT_VMAS_SELF, 0, mem_cap, &vaddr));
+    check(ZAddressSpaceMap(gSelfVmasCap, 0, mem_cap, &vaddr));
 
 #if MAM_PROC_DEBUG
     dbgln("Copy");
@@ -104,8 +105,8 @@ uint64_t SpawnProcessFromElfRegion(uint64_t program, Channel& local) {
   uint64_t proc_cap;
   uint64_t as_cap;
   uint64_t foreign_chan_id;
-  check(ZProcessSpawn(Z_INIT_PROC_SELF, foreign.release_cap(), &proc_cap,
-                      &as_cap, &foreign_chan_id));
+  check(ZProcessSpawn(gSelfProcCap, foreign.release_cap(), &proc_cap, &as_cap,
+                      &foreign_chan_id));
 
   uint64_t entry_point = LoadElfProgram(program, as_cap);
 #if MAM_PROC_DEBUG
diff --git a/sys/yellowstone/hw/pcie.cpp b/sys/yellowstone/hw/pcie.cpp
index d399ffa..a117987 100644
--- a/sys/yellowstone/hw/pcie.cpp
+++ b/sys/yellowstone/hw/pcie.cpp
@@ -1,6 +1,7 @@
 #include "hw/pcie.h"
 
 #include <mammoth/debug.h>
+#include <mammoth/init.h>
 #include <zcall.h>
 #include <zinit.h>
 
@@ -92,7 +93,7 @@ void DumpPciEDevices() {
 
   dbgln("Creating addr space");
   uint64_t vaddr;
-  check(ZAddressSpaceMap(Z_INIT_VMAS_SELF, 0, vmmo_cap, &vaddr));
+  check(ZAddressSpaceMap(gSelfVmasCap, 0, vmmo_cap, &vaddr));
   dbgln("Addr %lx", vaddr);
 
   dbgln("Dumping PCI");
diff --git a/sys/yellowstone/yellowstone.cpp b/sys/yellowstone/yellowstone.cpp
index 3d1470e..12ed6db 100644
--- a/sys/yellowstone/yellowstone.cpp
+++ b/sys/yellowstone/yellowstone.cpp
@@ -13,7 +13,7 @@ uint64_t main(uint64_t port_cap) {
   check(ParseInitPort(port_cap));
 
   uint64_t vaddr;
-  check(ZAddressSpaceMap(Z_INIT_VMAS_SELF, 0, gBootDenaliVmmoCap, &vaddr));
+  check(ZAddressSpaceMap(gSelfVmasCap, 0, gBootDenaliVmmoCap, &vaddr));
 
   Channel local;
   check(SpawnProcessFromElfRegion(vaddr, local));
@@ -35,7 +35,7 @@ uint64_t main(uint64_t port_cap) {
 
   dbgln("Resp: %u", type);
 
-  check(ZAddressSpaceMap(Z_INIT_VMAS_SELF, 0, mem_cap, &vaddr));
+  check(ZAddressSpaceMap(gSelfVmasCap, 0, mem_cap, &vaddr));
   uint32_t* mbr = reinterpret_cast<uint32_t*>(vaddr + 0x1FE);
   dbgln("MBR: %x", *mbr);
 
diff --git a/zion/include/zinit.h b/zion/include/zinit.h
index f948117..a59c792 100644
--- a/zion/include/zinit.h
+++ b/zion/include/zinit.h
@@ -3,4 +3,7 @@
 #define Z_INIT_PROC_SELF 0x00
 #define Z_INIT_VMAS_SELF 0x01
 
+#define Z_INIT_SELF_PROC 0x100
+#define Z_INIT_SELF_VMAS 0x101
+
 #define Z_BOOT_DENALI_VMMO 0x1000
diff --git a/zion/loader/init_loader.cpp b/zion/loader/init_loader.cpp
index cc57b7b..02f7422 100644
--- a/zion/loader/init_loader.cpp
+++ b/zion/loader/init_loader.cpp
@@ -133,6 +133,11 @@ void LoadInitProgram() {
   auto port = MakeRefCounted<Port>();
   uint64_t port_cap = proc->AddNewCapability(port, ZC_READ | ZC_WRITE);
 
+  port->WriteKernel(Z_INIT_SELF_PROC,
+                    MakeRefCounted<Capability>(
+                        proc, ZC_PROC_SPAWN_PROC | ZC_PROC_SPAWN_THREAD));
+  port->WriteKernel(Z_INIT_SELF_VMAS,
+                    MakeRefCounted<Capability>(proc->vmas(), ZC_WRITE));
   port->WriteKernel(Z_BOOT_DENALI_VMMO,
                     MakeRefCounted<Capability>(prog2_vmmo, ZC_READ | ZC_WRITE));