diff --git a/dlls/api-ms-win-crt-stdio-l1-1-0/api-ms-win-crt-stdio-l1-1-0.spec b/dlls/api-ms-win-crt-stdio-l1-1-0/api-ms-win-crt-stdio-l1-1-0.spec
index 853a43fb23a..19c06eaa67d 100644
--- a/dlls/api-ms-win-crt-stdio-l1-1-0/api-ms-win-crt-stdio-l1-1-0.spec
+++ b/dlls/api-ms-win-crt-stdio-l1-1-0/api-ms-win-crt-stdio-l1-1-0.spec
@@ -11,7 +11,7 @@
 @ cdecl __stdio_common_vfwscanf(int64 ptr wstr ptr ptr) ucrtbase.__stdio_common_vfwscanf
 @ cdecl __stdio_common_vsnprintf_s(int64 ptr long long str ptr ptr) ucrtbase.__stdio_common_vsnprintf_s
 @ cdecl __stdio_common_vsnwprintf_s(int64 ptr long long wstr ptr ptr) ucrtbase.__stdio_common_vsnwprintf_s
-@ cdecl __stdio_common_vsprintf(int64 ptr long str ptr ptr) ucrtbase.__stdio_common_vsprintf
+@ cdecl -norelay __stdio_common_vsprintf(int64 ptr long str ptr ptr) ucrtbase.__stdio_common_vsprintf
 @ cdecl __stdio_common_vsprintf_p(int64 ptr long str ptr ptr) ucrtbase.__stdio_common_vsprintf_p
 @ cdecl __stdio_common_vsprintf_s(int64 ptr long str ptr ptr) ucrtbase.__stdio_common_vsprintf_s
 @ cdecl __stdio_common_vsscanf(int64 ptr long str ptr ptr) ucrtbase.__stdio_common_vsscanf
diff --git a/dlls/ucrtbase/ucrtbase.spec b/dlls/ucrtbase/ucrtbase.spec
index 3b590ee2660..49e21bf162a 100644
--- a/dlls/ucrtbase/ucrtbase.spec
+++ b/dlls/ucrtbase/ucrtbase.spec
@@ -156,7 +156,7 @@
 @ cdecl __stdio_common_vfwscanf(int64 ptr wstr ptr ptr) MSVCRT__stdio_common_vfwscanf
 @ cdecl __stdio_common_vsnprintf_s(int64 ptr long long str ptr ptr) MSVCRT__stdio_common_vsnprintf_s
 @ cdecl __stdio_common_vsnwprintf_s(int64 ptr long long wstr ptr ptr) MSVCRT__stdio_common_vsnwprintf_s
-@ cdecl __stdio_common_vsprintf(int64 ptr long str ptr ptr)
+@ cdecl -norelay __stdio_common_vsprintf(int64 ptr long str ptr ptr)
 @ cdecl __stdio_common_vsprintf_p(int64 ptr long str ptr ptr) MSVCRT__stdio_common_vsprintf_p
 @ cdecl __stdio_common_vsprintf_s(int64 ptr long str ptr ptr) MSVCRT__stdio_common_vsprintf_s
 @ cdecl __stdio_common_vsscanf(int64 ptr long str ptr ptr) MSVCRT__stdio_common_vsscanf