diff --git a/dlls/win32u/syscall.c b/dlls/win32u/syscall.c
index 5a20409437e..13a15f8c6dc 100644
--- a/dlls/win32u/syscall.c
+++ b/dlls/win32u/syscall.c
@@ -465,7 +465,7 @@ static NTSTATUS init( void *dispatcher )
     return ntdll_init_syscalls( &syscall_table, dispatcher );
 }
 
-unixlib_entry_t __wine_unix_call_funcs[] =
+const unixlib_entry_t __wine_unix_call_funcs[] =
 {
     init,
 };
diff --git a/include/wine/unixlib.h b/include/wine/unixlib.h
index 8a9522ec532..935baa0d5ba 100644
--- a/include/wine/unixlib.h
+++ b/include/wine/unixlib.h
@@ -29,6 +29,9 @@ typedef UINT64 unixlib_handle_t;
 
 typedef NTSTATUS (*unixlib_entry_t)( void *args );
 
+extern const unixlib_entry_t __wine_unix_call_funcs[];
+extern const unixlib_entry_t __wine_unix_call_wow64_funcs[];
+
 /* some useful helpers from ntdll */
 extern const char *ntdll_get_build_dir(void);
 extern const char *ntdll_get_data_dir(void);