diff --git a/libretro-common/file/archive_file_7z.c b/libretro-common/file/archive_file_7z.c
index 5938e42578..c383653b80 100644
--- a/libretro-common/file/archive_file_7z.c
+++ b/libretro-common/file/archive_file_7z.c
@@ -50,7 +50,7 @@ struct sevenzip_context_t {
    file_archive_file_handle_t *handle;
 };
 
-static void* sevenzip_stream_new()
+static void* sevenzip_stream_new(void)
 {
    struct sevenzip_context_t *sevenzip_context =
          (struct sevenzip_context_t*)calloc(1, sizeof(struct sevenzip_context_t));