diff --git a/dlls/winscard/winscard.c b/dlls/winscard/winscard.c
index d24e0f9290a..01b731d8d88 100644
--- a/dlls/winscard/winscard.c
+++ b/dlls/winscard/winscard.c
@@ -50,3 +50,11 @@ BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
 
     return TRUE;
 }
+
+LONG WINAPI SCardEstablishContext(DWORD dwScope, LPCVOID pvReserved1,
+    LPCVOID pvReserved2, LPSCARDCONTEXT phContext)
+{
+    FIXME("(%x,%p,%p,%p) stub\n", dwScope, pvReserved1, pvReserved2, phContext);
+    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+    return SCARD_F_INTERNAL_ERROR;
+}
diff --git a/dlls/winscard/winscard.spec b/dlls/winscard/winscard.spec
index 6dd83d8a80e..f223415221b 100644
--- a/dlls/winscard/winscard.spec
+++ b/dlls/winscard/winscard.spec
@@ -12,7 +12,7 @@
 @ stub SCardControl
 @ stub SCardDisconnect
 @ stub SCardEndTransaction
-@ stub SCardEstablishContext
+@ stdcall SCardEstablishContext(long ptr ptr ptr)
 @ stub SCardForgetCardTypeA
 @ stub SCardForgetCardTypeW
 @ stub SCardForgetReaderA