diff --git a/dlls/winecrt0/register.c b/dlls/winecrt0/register.c
index 8c15d1be721..cb5e7a50f76 100644
--- a/dlls/winecrt0/register.c
+++ b/dlls/winecrt0/register.c
@@ -94,7 +94,7 @@ static BOOL CALLBACK register_resource( HMODULE module, LPCWSTR type, LPWSTR nam
     return SUCCEEDED(info->result);
 }
 
-HRESULT __wine_register_resources( HMODULE module )
+HRESULT __cdecl __wine_register_resources( HMODULE module )
 {
     struct reg_info info;
 
@@ -106,7 +106,7 @@ HRESULT __wine_register_resources( HMODULE module )
     return info.result;
 }
 
-HRESULT __wine_unregister_resources( HMODULE module )
+HRESULT __cdecl __wine_unregister_resources( HMODULE module )
 {
     struct reg_info info;
 
diff --git a/include/rpcproxy.h b/include/rpcproxy.h
index 4d2c63e62d6..5b184329bd4 100644
--- a/include/rpcproxy.h
+++ b/include/rpcproxy.h
@@ -203,8 +203,8 @@ RPCRTAPI HRESULT RPC_ENTRY
 RPCRTAPI HRESULT RPC_ENTRY
   NdrDllUnregisterProxy( HMODULE hDll, const ProxyFileInfo **pProxyFileList, const CLSID *pclsid );
 
-HRESULT __wine_register_resources( HMODULE module ) DECLSPEC_HIDDEN;
-HRESULT __wine_unregister_resources( HMODULE module ) DECLSPEC_HIDDEN;
+HRESULT __cdecl __wine_register_resources( HMODULE module ) DECLSPEC_HIDDEN;
+HRESULT __cdecl __wine_unregister_resources( HMODULE module ) DECLSPEC_HIDDEN;
 
 #define CSTDSTUBBUFFERRELEASE(pFactory) \
 ULONG WINAPI CStdStubBuffer_Release(IRpcStubBuffer *This) \