diff --git a/libretro-common/file/archive_file.c b/libretro-common/file/archive_file.c
index becdf6345b..ca55e5d093 100644
--- a/libretro-common/file/archive_file.c
+++ b/libretro-common/file/archive_file.c
@@ -496,7 +496,6 @@ static bool file_archive_walk(const char *file, const char *valid_exts,
 
 int file_archive_parse_file_progress(file_archive_transfer_t *state)
 {
-   /* FIXME: this estimate is worse than before */
    ptrdiff_t delta = 0;
 
    if (!state || state->archive_size == 0)
@@ -504,7 +503,10 @@ int file_archive_parse_file_progress(file_archive_transfer_t *state)
 
    delta = state->directory - state->data;
 
-   return (int)(delta * 100 / state->archive_size);
+   if (!state->start_delta)
+      state->start_delta = delta;
+
+   return (int)(((delta - state->start_delta) * 100) / (state->archive_size - state->start_delta));
 }
 
 /**
diff --git a/libretro-common/file/archive_file_zlib.c b/libretro-common/file/archive_file_zlib.c
index 293deb9f3a..07fec55fd4 100644
--- a/libretro-common/file/archive_file_zlib.c
+++ b/libretro-common/file/archive_file_zlib.c
@@ -240,7 +240,7 @@ static int zip_file_read(
       const char *needle, void **buf,
       const char *optional_outfile)
 {
-   file_archive_transfer_t zlib             = {ARCHIVE_TRANSFER_NONE, 0, NULL, NULL, NULL, NULL, NULL, NULL };
+   file_archive_transfer_t zlib             = {0};
    struct archive_extract_userdata userdata = {{0}};
    bool returnerr                           = true;
    int ret                                  = 0;
diff --git a/libretro-common/include/file/archive_file.h b/libretro-common/include/file/archive_file.h
index 3861f6ac89..02c193b9e3 100644
--- a/libretro-common/include/file/archive_file.h
+++ b/libretro-common/include/file/archive_file.h
@@ -64,6 +64,7 @@ typedef struct file_archive_transfer
 {
    enum file_archive_transfer_type type;
    int32_t archive_size;
+   ptrdiff_t start_delta;
    file_archive_file_data_t *handle;
    void *stream;
    const uint8_t *footer;