diff --git a/xtoskrnl/hl/x86/pic.c b/xtoskrnl/hl/x86/pic.c
index a385b74..f3794b0 100644
--- a/xtoskrnl/hl/x86/pic.c
+++ b/xtoskrnl/hl/x86/pic.c
@@ -4,10 +4,25 @@
  * FILE:            xtoskrnl/hl/x86/pic.c
  * DESCRIPTION:     Programmable Interrupt Controller (PIC) for x86 (i686/AMD64) support
  * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
+ *                  Jozef Nagy <schkwve@gmail.com>
  */
 
 #include <xtos.h>
 
+/**
+ * Disables the 8259 PIC.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
+XTCDECL
+VOID
+HlDisablePic(VOID)
+{
+    HlIoPortOutByte(PIC1_DATA_PORT, 0xFF);
+    HlIoPortOutByte(PIC2_DATA_PORT, 0xFF);
+}
 
 /**
  * Reads from the APIC register.
diff --git a/xtoskrnl/includes/hl.h b/xtoskrnl/includes/hl.h
index 96d0986..4c680d5 100644
--- a/xtoskrnl/includes/hl.h
+++ b/xtoskrnl/includes/hl.h
@@ -11,8 +11,11 @@
 
 #include <xtos.h>
 
-
 /* HAL library routines forward references */
+XTCDECL
+VOID
+HlDisablePic(VOID);
+
 XTAPI
 VOID
 HlClearScreen(VOID);
diff --git a/xtoskrnl/ke/amd64/krnlinit.c b/xtoskrnl/ke/amd64/krnlinit.c
index e09923b..90bdb66 100644
--- a/xtoskrnl/ke/amd64/krnlinit.c
+++ b/xtoskrnl/ke/amd64/krnlinit.c
@@ -69,6 +69,9 @@ KepInitializeMachine(VOID)
     /* Re-enable IDE interrupts */
     HlIoPortOutByte(0x376, 0);
     HlIoPortOutByte(0x3F6, 0);
+
+    /* Disable the legacy PIC */
+    HlDisablePic();
 }
 
 /**
diff --git a/xtoskrnl/ke/i686/krnlinit.c b/xtoskrnl/ke/i686/krnlinit.c
index faefae0..f8ec530 100644
--- a/xtoskrnl/ke/i686/krnlinit.c
+++ b/xtoskrnl/ke/i686/krnlinit.c
@@ -69,6 +69,9 @@ KepInitializeMachine(VOID)
     /* Re-enable IDE interrupts */
     HlIoPortOutByte(0x376, 0);
     HlIoPortOutByte(0x3F6, 0);
+
+	/* Disable the legacy PIC */
+    HlDisablePic();
 }
 
 /**