diff --git a/dlls/apphelp/apphelp.c b/dlls/apphelp/apphelp.c
index dd120a9a386..67c2139e031 100644
--- a/dlls/apphelp/apphelp.c
+++ b/dlls/apphelp/apphelp.c
@@ -34,6 +34,10 @@ typedef enum _PATH_TYPE {
 /* FIXME: don't know where to place that typedef */
 typedef HANDLE PDB;
 typedef HANDLE HSDB;
+typedef DWORD TAGID;
+
+/* FIXME: don't know where to place that define */
+#define TAGID_NULL 0x0
 
 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
 {
@@ -96,3 +100,9 @@ PDB WINAPI SdbOpenDatabase(LPCWSTR path, PATH_TYPE type)
     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
     return NULL;
 }
+
+TAGID WINAPI SdbGetFirstChild(PDB pdb, TAGID parent)
+{
+    FIXME("stub: %p %d\n", pdb, parent);
+    return TAGID_NULL;
+}
diff --git a/dlls/apphelp/apphelp.spec b/dlls/apphelp/apphelp.spec
index d94c5fa9add..e826abaee1f 100644
--- a/dlls/apphelp/apphelp.spec
+++ b/dlls/apphelp/apphelp.spec
@@ -62,7 +62,7 @@
 @ stub SdbGetFileImageType
 @ stub SdbGetFileImageTypeEx
 @ stub SdbGetFileInfo
-@ stub SdbGetFirstChild
+@ stdcall SdbGetFirstChild(ptr long)
 @ stub SdbGetIndex
 @ stub SdbGetItemFromItemRef
 @ stub SdbGetLayerName