diff --git a/xtoskrnl/hl/x86/cpu.c b/xtoskrnl/hl/x86/cpu.c
index 146d359..2a085ef 100644
--- a/xtoskrnl/hl/x86/cpu.c
+++ b/xtoskrnl/hl/x86/cpu.c
@@ -21,7 +21,7 @@
  */
 XTAPI
 VOID
-HlInitializeProcessor()
+HlInitializeProcessor(VOID)
 {
     PKPROCESSOR_BLOCK ProcessorBlock;
     KAFFINITY Affinity;
diff --git a/xtoskrnl/includes/hli.h b/xtoskrnl/includes/hli.h
index 360cf64..b323110 100644
--- a/xtoskrnl/includes/hli.h
+++ b/xtoskrnl/includes/hli.h
@@ -66,7 +66,7 @@ HlInitializeFrameBuffer(VOID);
 
 XTAPI
 VOID
-HlInitializeProcessor();
+HlInitializeProcessor(VOID);
 
 XTAPI
 XTSTATUS