diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c
index 3013fe7eb90..7ebce5709d4 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -3741,7 +3741,7 @@ __ASM_GLOBAL_FUNC( __chkstk, "ret" );
 /**************************************************************************
  *           _chkstk   (NTOSKRNL.@)
  */
-__ASM_STDCALL_FUNC( _chkstk, 0,
+__ASM_GLOBAL_FUNC( _chkstk,
                    "negl %eax\n\t"
                    "addl %esp,%eax\n\t"
                    "xchgl %esp,%eax\n\t"
diff --git a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
index 8e3b127b164..76c4afb2818 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
+++ b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
@@ -1500,7 +1500,7 @@
 @ stdcall ZwWriteFile(long long ptr ptr ptr ptr long ptr ptr) NtWriteFile
 @ stdcall -private ZwYieldExecution() NtYieldExecution
 @ stdcall -arch=x86_64 __C_specific_handler(ptr long ptr ptr)
-@ stdcall -private -arch=arm,x86_64 -norelay __chkstk()
+@ cdecl -arch=arm,x86_64 -norelay __chkstk()
 @ cdecl -private -arch=i386 _CIcos()
 @ cdecl -private -arch=i386 _CIsin()
 @ cdecl -private -arch=i386 _CIsqrt()
@@ -1516,7 +1516,7 @@
 @ stdcall -arch=i386 -norelay _aulldvrm(int64 int64)
 @ stdcall -arch=i386 -ret64 _aullrem(int64 int64)
 @ stdcall -arch=i386 -ret64 _aullshr(int64 long)
-@ stdcall -arch=i386 -norelay _chkstk()
+@ cdecl -arch=i386 -norelay _chkstk()
 @ cdecl -arch=i386 _except_handler2(ptr ptr ptr ptr)
 @ cdecl -arch=i386 _except_handler3(ptr ptr ptr ptr)
 @ cdecl _finite(double)