diff --git a/xtoskrnl/includes/rtli.h b/xtoskrnl/includes/rtli.h
index 2dfdca99..d6f12a7f 100644
--- a/xtoskrnl/includes/rtli.h
+++ b/xtoskrnl/includes/rtli.h
@@ -312,7 +312,7 @@ XTSTATUS
 RtlpWriteWideCharacter(IN PRTL_PRINT_CONTEXT Context,
                        IN WCHAR Character);
 
-XTAPI
+XTCDECL
 XTSTATUS
 RtlpWriteWideStringCustomValue(IN PRTL_PRINT_CONTEXT Context,
                                IN PCWSTR Format,
diff --git a/xtoskrnl/rtl/widestr.c b/xtoskrnl/rtl/widestr.c
index d541b39b..0732c150 100644
--- a/xtoskrnl/rtl/widestr.c
+++ b/xtoskrnl/rtl/widestr.c
@@ -1345,7 +1345,7 @@ RtlpWriteWideCharacter(IN PRTL_PRINT_CONTEXT Context,
  *
  * @since XT 1.0
  */
-XTAPI
+XTCDECL
 XTSTATUS
 RtlpWriteWideStringCustomValue(IN PRTL_PRINT_CONTEXT Context,
                                IN PCWSTR Format,