diff --git a/dlls/winecrt0/unix_lib.c b/dlls/winecrt0/unix_lib.c
index e3a1437026a..584da22ab71 100644
--- a/dlls/winecrt0/unix_lib.c
+++ b/dlls/winecrt0/unix_lib.c
@@ -27,8 +27,10 @@
 #include "windef.h"
 #include "winbase.h"
 #include "winternl.h"
+#include "wine/unixlib.h"
 
 static NTSTATUS (__cdecl *p__wine_init_unix_lib)( HMODULE, DWORD, const void *, void * );
+static NTSTATUS (WINAPI *p__wine_unix_call)( unixlib_handle_t, unsigned int, void * );
 
 static void load_func( void **func, const char *name, void *def )
 {
@@ -46,10 +48,21 @@ static NTSTATUS __cdecl fallback__wine_init_unix_lib( HMODULE module, DWORD reas
     return STATUS_DLL_NOT_FOUND;
 }
 
+static NTSTATUS __cdecl fallback__wine_unix_call( unixlib_handle_t handle, unsigned int code, void *args )
+{
+    return STATUS_DLL_NOT_FOUND;
+}
+
 NTSTATUS __cdecl __wine_init_unix_lib( HMODULE module, DWORD reason, const void *ptr_in, void *ptr_out )
 {
     LOAD_FUNC( __wine_init_unix_lib );
     return p__wine_init_unix_lib( module, reason, ptr_in, ptr_out );
 }
 
+NTSTATUS WINAPI __wine_unix_call( unixlib_handle_t handle, unsigned int code, void *args )
+{
+    LOAD_FUNC( __wine_unix_call );
+    return p__wine_unix_call( handle, code, args );
+}
+
 #endif  /* _WIN32 */