diff --git a/dlls/wintrust/crypt.c b/dlls/wintrust/crypt.c
index 96a2ab1965b..be869ad8277 100644
--- a/dlls/wintrust/crypt.c
+++ b/dlls/wintrust/crypt.c
@@ -861,6 +861,19 @@ CRYPTCATATTRIBUTE * WINAPI CryptCATPutAttrInfo(HANDLE catalog, CRYPTCATMEMBER *m
     return NULL;
 }
 
+/***********************************************************************
+ *      CryptCATPutCatAttrInfo  (WINTRUST.@)
+ */
+CRYPTCATATTRIBUTE * WINAPI CryptCATPutCatAttrInfo(HANDLE catalog,
+        WCHAR *name, DWORD flags, DWORD size, BYTE *data)
+{
+    FIXME("catalog %p, name %s, flags %#x, size %u, data %p, stub!\n",
+            catalog, debugstr_w(name), flags, size, data);
+
+    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+    return NULL;
+}
+
 /***********************************************************************
  *      CryptCATPutMemberInfo  (WINTRUST.@)
  */
diff --git a/dlls/wintrust/wintrust.spec b/dlls/wintrust/wintrust.spec
index 025241a808c..8226c80c05f 100644
--- a/dlls/wintrust/wintrust.spec
+++ b/dlls/wintrust/wintrust.spec
@@ -36,7 +36,7 @@
 @ stdcall CryptCATOpen(wstr long long long long)
 @ stdcall CryptCATPersistStore(ptr)
 @ stdcall CryptCATPutAttrInfo(ptr ptr wstr long long ptr)
-@ stub CryptCATPutCatAttrInfo
+@ stdcall CryptCATPutCatAttrInfo(ptr wstr long long ptr)
 @ stdcall CryptCATPutMemberInfo(ptr wstr wstr ptr long long ptr)
 @ stub CryptCATStoreFromHandle
 @ stub CryptCATVerifyMember
diff --git a/include/mscat.h b/include/mscat.h
index 79b92b213ab..366dbbb0d1e 100644
--- a/include/mscat.h
+++ b/include/mscat.h
@@ -142,6 +142,7 @@ CRYPTCATMEMBER    * WINAPI CryptCATGetMemberInfo(HANDLE, LPWSTR);
 HANDLE    WINAPI CryptCATOpen(LPWSTR,DWORD,HCRYPTPROV,DWORD,DWORD);
 BOOL      WINAPI CryptCATPersistStore(HANDLE catalog);
 CRYPTCATATTRIBUTE * WINAPI CryptCATPutAttrInfo(HANDLE catalog, CRYPTCATMEMBER *member, WCHAR *name, DWORD flags, DWORD size, BYTE *data);
+CRYPTCATATTRIBUTE * WINAPI CryptCATPutCatAttrInfo(HANDLE catalog, WCHAR *name, DWORD flags, DWORD size, BYTE *data);
 CRYPTCATMEMBER    * WINAPI CryptCATPutMemberInfo(HANDLE catalog, WCHAR *filename, WCHAR *member, GUID *subject, DWORD version, DWORD size, BYTE *data);
 
 #ifdef __cplusplus