diff --git a/dlls/tapi32/line.c b/dlls/tapi32/line.c
index a44ac1a1a72..0df9746084b 100644
--- a/dlls/tapi32/line.c
+++ b/dlls/tapi32/line.c
@@ -751,6 +751,15 @@ DWORD WINAPI lineGetStatusMessages(HLINE hLine, LPDWORD lpdwLineStatus, LPDWORD
     return 0;
 }
 
+/***********************************************************************
+ *		lineGetTranslateCapsW (TAPI32.@)
+ */
+DWORD WINAPI lineGetTranslateCapsW(HLINEAPP line_app, DWORD api_version, LINETRANSLATECAPS *caps)
+{
+    FIXME("(%p, %08x, %p): stub.\n", line_app, api_version, caps);
+    return LINEERR_OPERATIONFAILED;
+}
+
 /***********************************************************************
  *		lineGetTranslateCaps (TAPI32.@)
  *
diff --git a/dlls/tapi32/tapi32.spec b/dlls/tapi32/tapi32.spec
index 62631efe236..6c01a870479 100644
--- a/dlls/tapi32/tapi32.spec
+++ b/dlls/tapi32/tapi32.spec
@@ -67,6 +67,7 @@
 @ stdcall lineGetStatusMessages(long ptr ptr)
 @ stdcall lineGetTranslateCaps(long long ptr) lineGetTranslateCapsA
 @ stdcall lineGetTranslateCapsA(long long ptr)
+@ stdcall lineGetTranslateCapsW(ptr long ptr)
 @ stdcall lineHandoff(long str long) lineHandoffA
 @ stdcall lineHandoffA(long str long)
 @ stdcall lineHold(long)