diff --git a/configure b/configure
index 7041f83b82b999e2973108d2916eb65d3e54b51b..a3453fa64f233c9d4334f006497507ef32aebfac 100755
--- a/configure
+++ b/configure
@@ -15351,6 +15351,7 @@ wine_fn_config_test dlls/advpack/tests advpack_test
 wine_fn_config_dll amstream enable_amstream
 wine_fn_config_test dlls/amstream/tests amstream_test
 wine_fn_config_dll api-ms-win-downlevel-advapi32-l1-1-0 enable_api_ms_win_downlevel_advapi32_l1_1_0
+wine_fn_config_dll api-ms-win-downlevel-normaliz-l1-1-0 enable_api_ms_win_downlevel_normaliz_l1_1_0
 wine_fn_config_dll api-ms-win-downlevel-shlwapi-l1-1-0 enable_api_ms_win_downlevel_shlwapi_l1_1_0
 wine_fn_config_dll api-ms-win-downlevel-user32-l1-1-0 enable_api_ms_win_downlevel_user32_l1_1_0
 wine_fn_config_dll api-ms-win-downlevel-version-l1-1-0 enable_api_ms_win_downlevel_version_l1_1_0
diff --git a/configure.ac b/configure.ac
index fa15fb6cee34963a13a134ce58ef6bc0b4d94c55..6642d3892b42c65cb455398a50d6f676adcc8fb2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2530,6 +2530,7 @@ WINE_CONFIG_TEST(dlls/advpack/tests)
 WINE_CONFIG_DLL(amstream)
 WINE_CONFIG_TEST(dlls/amstream/tests)
 WINE_CONFIG_DLL(api-ms-win-downlevel-advapi32-l1-1-0)
+WINE_CONFIG_DLL(api-ms-win-downlevel-normaliz-l1-1-0)
 WINE_CONFIG_DLL(api-ms-win-downlevel-shlwapi-l1-1-0)
 WINE_CONFIG_DLL(api-ms-win-downlevel-user32-l1-1-0)
 WINE_CONFIG_DLL(api-ms-win-downlevel-version-l1-1-0)
diff --git a/dlls/api-ms-win-downlevel-normaliz-l1-1-0/Makefile.in b/dlls/api-ms-win-downlevel-normaliz-l1-1-0/Makefile.in
new file mode 100644
index 0000000000000000000000000000000000000000..0fce8acad663423da179ce7704a37029d746eab9
--- /dev/null
+++ b/dlls/api-ms-win-downlevel-normaliz-l1-1-0/Makefile.in
@@ -0,0 +1,3 @@
+MODULE = api-ms-win-downlevel-normaliz-l1-1-0.dll
+
+@MAKE_DLL_RULES@
diff --git a/dlls/api-ms-win-downlevel-normaliz-l1-1-0/api-ms-win-downlevel-normaliz-l1-1-0.spec b/dlls/api-ms-win-downlevel-normaliz-l1-1-0/api-ms-win-downlevel-normaliz-l1-1-0.spec
new file mode 100644
index 0000000000000000000000000000000000000000..04e68b6a3de165fac4160d66d40dd34d3304073b
--- /dev/null
+++ b/dlls/api-ms-win-downlevel-normaliz-l1-1-0/api-ms-win-downlevel-normaliz-l1-1-0.spec
@@ -0,0 +1,2 @@
+@ stdcall IdnToAscii(long wstr long ptr long) kernel32.IdnToAscii
+@ stdcall IdnToUnicode(long wstr long ptr long) kernel32.IdnToUnicode
diff --git a/tools/make_specfiles b/tools/make_specfiles
index 20453bad97cc6701033e81f6cd7a8c3f889e12c0..11157ad96d1b7599b9baf3b2df2efdd692815e4f 100755
--- a/tools/make_specfiles
+++ b/tools/make_specfiles
@@ -120,6 +120,10 @@ my @dll_groups =
   "advapi32",
   "api-ms-win-downlevel-advapi32-l1-1-0",
  ],
+ [
+  "kernel32",
+  "api-ms-win-downlevel-normaliz-l1-1-0",
+ ],
  [
   "shlwapi",
   "api-ms-win-downlevel-shlwapi-l1-1-0",