diff --git a/dll/win32/netcfgx/netcfgx.c b/dll/win32/netcfgx/netcfgx.c
index a6d52ec97e8..92ce91ba25c 100644
--- a/dll/win32/netcfgx/netcfgx.c
+++ b/dll/win32/netcfgx/netcfgx.c
@@ -4,7 +4,7 @@
  * FILE:            dll/win32/netcfgx/netcfgx.c
  * PURPOSE:         Network devices installer
  *
- * PROGRAMMERS:     Hervé Poussineau (hpoussin@reactos.org)
+ * PROGRAMMERS:     Hervé Poussineau (hpoussin@reactos.org)
  */
 
 #include "precomp.h"
@@ -134,3 +134,12 @@ DllGetClassObject(
 
     return hres;
 }
+
+DWORD
+WINAPI
+NetCfgDiagRepairRegistryBindings(
+    DWORD dwParam1)
+{
+    ERR("NetCfgDiagRepairRegistryBindings(%lx)\n", dwParam1);
+    return ERROR_SUCCESS;
+}
diff --git a/dll/win32/netcfgx/netcfgx.spec b/dll/win32/netcfgx/netcfgx.spec
index 73261e4f0ba..c06a6969f2c 100644
--- a/dll/win32/netcfgx/netcfgx.spec
+++ b/dll/win32/netcfgx/netcfgx.spec
@@ -6,7 +6,7 @@
 7 stub LanaCfgFromCommandArgs
 8 stub ModemClassCoInstaller
 9 stub NetCfgDiagFromCommandArgs
-10 stub NetCfgDiagRepairRegistryBindings
+10 stdcall NetCfgDiagRepairRegistryBindings(long)
 11 stdcall NetClassInstaller(long ptr ptr)
 12 stdcall NetPropPageProvider(ptr ptr long)
 13 stub RasAddBindings
diff --git a/sdk/include/reactos/netcfgx_undoc.h b/sdk/include/reactos/netcfgx_undoc.h
index e79bb9ddbae..3f3e342fbdc 100644
--- a/sdk/include/reactos/netcfgx_undoc.h
+++ b/sdk/include/reactos/netcfgx_undoc.h
@@ -24,4 +24,9 @@ EXTERN_C const IID IID_INetCfgComponentPrivate;
 /* ??? */
 #endif
 
+DWORD
+WINAPI
+NetCfgDiagRepairRegistryBindings(
+    DWORD dwParam1);
+
 #endif /* __NETCFGX_UNDOC_H__ */