diff --git a/configure b/configure
index 815c4415c64..b98accc638f 100755
--- a/configure
+++ b/configure
@@ -972,6 +972,7 @@ enable_api_ms_win_core_winrt_l1_1_0
 enable_api_ms_win_core_winrt_registration_l1_1_0
 enable_api_ms_win_core_winrt_string_l1_1_0
 enable_api_ms_win_core_wow64_l1_1_0
+enable_api_ms_win_core_xstate_l1_1_0
 enable_api_ms_win_core_xstate_l2_1_0
 enable_api_ms_win_crt_conio_l1_1_0
 enable_api_ms_win_crt_convert_l1_1_0
@@ -17648,6 +17649,7 @@ wine_fn_config_dll api-ms-win-core-winrt-l1-1-0 enable_api_ms_win_core_winrt_l1_
 wine_fn_config_dll api-ms-win-core-winrt-registration-l1-1-0 enable_api_ms_win_core_winrt_registration_l1_1_0
 wine_fn_config_dll api-ms-win-core-winrt-string-l1-1-0 enable_api_ms_win_core_winrt_string_l1_1_0
 wine_fn_config_dll api-ms-win-core-wow64-l1-1-0 enable_api_ms_win_core_wow64_l1_1_0
+wine_fn_config_dll api-ms-win-core-xstate-l1-1-0 enable_api_ms_win_core_xstate_l1_1_0
 wine_fn_config_dll api-ms-win-core-xstate-l2-1-0 enable_api_ms_win_core_xstate_l2_1_0
 wine_fn_config_dll api-ms-win-crt-conio-l1-1-0 enable_api_ms_win_crt_conio_l1_1_0
 wine_fn_config_dll api-ms-win-crt-convert-l1-1-0 enable_api_ms_win_crt_convert_l1_1_0
diff --git a/configure.ac b/configure.ac
index be215fd17fb..f040f05882b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2748,6 +2748,7 @@ WINE_CONFIG_DLL(api-ms-win-core-winrt-l1-1-0)
 WINE_CONFIG_DLL(api-ms-win-core-winrt-registration-l1-1-0)
 WINE_CONFIG_DLL(api-ms-win-core-winrt-string-l1-1-0)
 WINE_CONFIG_DLL(api-ms-win-core-wow64-l1-1-0)
+WINE_CONFIG_DLL(api-ms-win-core-xstate-l1-1-0)
 WINE_CONFIG_DLL(api-ms-win-core-xstate-l2-1-0)
 WINE_CONFIG_DLL(api-ms-win-crt-conio-l1-1-0)
 WINE_CONFIG_DLL(api-ms-win-crt-convert-l1-1-0)
diff --git a/dlls/api-ms-win-core-xstate-l1-1-0/Makefile.in b/dlls/api-ms-win-core-xstate-l1-1-0/Makefile.in
new file mode 100644
index 00000000000..b230944d99d
--- /dev/null
+++ b/dlls/api-ms-win-core-xstate-l1-1-0/Makefile.in
@@ -0,0 +1 @@
+MODULE    = api-ms-win-core-xstate-l1-1-0.dll
diff --git a/dlls/api-ms-win-core-xstate-l1-1-0/api-ms-win-core-xstate-l1-1-0.spec b/dlls/api-ms-win-core-xstate-l1-1-0/api-ms-win-core-xstate-l1-1-0.spec
new file mode 100644
index 00000000000..50651e1c6a7
--- /dev/null
+++ b/dlls/api-ms-win-core-xstate-l1-1-0/api-ms-win-core-xstate-l1-1-0.spec
@@ -0,0 +1,8 @@
+@ stub RtlCopyExtendedContext
+@ stub RtlGetEnabledExtendedFeatures
+@ stub RtlGetExtendedContextLength
+@ stub RtlGetExtendedFeaturesMask
+@ stub RtlInitializeExtendedContext
+@ stub RtlLocateExtendedFeature
+@ stub RtlLocateLegacyContext
+@ stub RtlSetExtendedFeaturesMask
diff --git a/tools/make_specfiles b/tools/make_specfiles
index de1a1cb1e09..5ede7c35dc9 100755
--- a/tools/make_specfiles
+++ b/tools/make_specfiles
@@ -127,6 +127,10 @@ my @dll_groups =
   "api-ms-win-service-management-l1-1-0",
   "api-ms-win-service-winsvc-l1-2-0",
  ],
+ [
+  "ntdll",
+  "api-ms-win-core-xstate-l1-1-0",
+ ],
  [
   "kernel32",
   "api-ms-win-downlevel-normaliz-l1-1-0",