diff --git a/kaleid/kernel/init/init.c b/kaleid/kernel/init/init.c
index 0875b1e..5c2a9c2 100644
--- a/kaleid/kernel/init/init.c
+++ b/kaleid/kernel/init/init.c
@@ -50,7 +50,6 @@ noreturn void BtStartKern(multiboot_info_t *mbInfo, uint mbMagic, void *codeSeg)
     MmInitMemoryMap();
     MmInitPaging();
 
-
     // Interrupts launching
     KeSetupIDT();
     KeEnableIRQs();
diff --git a/kaleid/kernel/mm/paging.c b/kaleid/kernel/mm/paging.c
index d9827dd..b87920f 100644
--- a/kaleid/kernel/mm/paging.c
+++ b/kaleid/kernel/mm/paging.c
@@ -31,7 +31,7 @@ enum
     MF_NX           = 1 << 31
 };
 
-#define RAM 8
+#define RAM_MAX 16
 #define NB_4K 2
 
 //-----------
@@ -40,7 +40,7 @@ volatile pdpe_t MmPML4[512] __attribute__((__aligned__(4096)));
 
 volatile pde_t MmPDP[512] __attribute__((__aligned__(4096)));
 
-volatile pde_t MmPD[512 * RAM] __attribute__((__aligned__(4096)));
+volatile pde_t MmPD[512 * RAM_MAX] __attribute__((__aligned__(4096)));
 
 volatile pte_t MmPT[512 * NB_4K] __attribute__((__aligned__(4096)));
 
@@ -60,7 +60,7 @@ void MmInitPaging(void)
 
         // STACK GUARD PAGE
         if ((ulong)i*4096 == (ulong)BtLoaderInfo.stackEndAddr) {
-            MmPT[i] = ((ulong)i * 4096) | MF_PRESENT;
+            MmPT[i] = ((ulong)i * 4096);
             MmStackGuards[0] = i;
             continue;
         }
@@ -76,7 +76,7 @@ void MmInitPaging(void)
 
         // STACK GARD PAGE
         if ((ulong)i*4096 == (ulong)BtLoaderInfo.kernelEndAddr) {
-            MmPT[i] = ((ulong)i * 4096) | MF_PRESENT;
+            MmPT[i] = ((ulong)i * 4096);
             MmStackGuards[1] = i;
             continue;
         }
@@ -88,11 +88,11 @@ void MmInitPaging(void)
         MmPD[i] = (ulong)(&MmPT[i*512])| MF_PRESENT | MF_READWRITE;
     }
 
-    for (int i =  NB_4K; i < 512 * RAM; i++) {
+    for (int i =  NB_4K; i < 512 * RAM_MAX; i++) {
         MmPD[i] = ((ulong)i * 2048 * 1024) | MF_PRESENT | MF_READWRITE | MF_HUGE;
     }
 
-    for (int i = 0; i < RAM; i++) {
+    for (int i = 0; i < RAM_MAX; i++) {
         MmPDP[i] = (ulong)(&MmPD[i*512])| MF_PRESENT | MF_READWRITE;
     }
 
diff --git a/kaleid/kernel/sh/shcmds.c b/kaleid/kernel/sh/shcmds.c
index bf89436..b48e50a 100644
--- a/kaleid/kernel/sh/shcmds.c
+++ b/kaleid/kernel/sh/shcmds.c
@@ -224,7 +224,7 @@ error_t CmdDie(int argc, char **argv, char *cmdline)
 
 error_t CmdPF(int argc, char **argv, char *cmdline)
 {
-    *((char*)0xDEADBEEF0) = 1;
+    *((char*)BtLoaderInfo.stackEndAddr + 16) = 1;
     return EOK;
 }