diff --git a/fastboot/fastboot.cpp b/fastboot/fastboot.cpp
index 6e257c9fb..3c6b1b708 100644
--- a/fastboot/fastboot.cpp
+++ b/fastboot/fastboot.cpp
@@ -852,7 +852,7 @@ static bool load_buf_fd(int fd, struct fastboot_buffer* buf) {
         buf->image_size = sz;
     }
 
-    lseek64(fd, 0, SEEK_SET);
+    lseek(fd, 0, SEEK_SET);
     int64_t limit = get_sparse_limit(sz);
     if (limit) {
         sparse_file** s = load_sparse_files(fd, limit);
diff --git a/libziparchive/Android.bp b/libziparchive/Android.bp
index 608afb7fd..2095189ec 100644
--- a/libziparchive/Android.bp
+++ b/libziparchive/Android.bp
@@ -73,6 +73,7 @@ cc_library {
         enabled: true,
     },
     double_loadable: true,
+    export_shared_lib_headers: ["libbase"],
 
     defaults: [
         "libziparchive_defaults",
diff --git a/libziparchive/include/ziparchive/zip_archive.h b/libziparchive/include/ziparchive/zip_archive.h
index 3952532b0..ab38dfd2c 100644
--- a/libziparchive/include/ziparchive/zip_archive.h
+++ b/libziparchive/include/ziparchive/zip_archive.h
@@ -25,6 +25,8 @@
 #include <sys/cdefs.h>
 #include <sys/types.h>
 
+#include "android-base/off64_t.h"
+
 /* Zip compression methods we support */
 enum {
   kCompressStored = 0,    // no compression
diff --git a/libziparchive/include/ziparchive/zip_archive_stream_entry.h b/libziparchive/include/ziparchive/zip_archive_stream_entry.h
index b4766f86a..8c6ca795a 100644
--- a/libziparchive/include/ziparchive/zip_archive_stream_entry.h
+++ b/libziparchive/include/ziparchive/zip_archive_stream_entry.h
@@ -15,12 +15,13 @@
  */
 
 // Read-only stream access to Zip archives entries.
-#ifndef LIBZIPARCHIVE_ZIPARCHIVESTREAMENTRY_H_
-#define LIBZIPARCHIVE_ZIPARCHIVESTREAMENTRY_H_
+#pragma once
+
+#include <ziparchive/zip_archive.h>
 
 #include <vector>
 
-#include <ziparchive/zip_archive.h>
+#include "android-base/off64_t.h"
 
 class ZipArchiveStreamEntry {
  public:
@@ -43,5 +44,3 @@ class ZipArchiveStreamEntry {
   off64_t offset_ = 0;
   uint32_t crc32_ = 0u;
 };
-
-#endif  // LIBZIPARCHIVE_ZIPARCHIVESTREAMENTRY_H_
diff --git a/libziparchive/include/ziparchive/zip_writer.h b/libziparchive/include/ziparchive/zip_writer.h
index 6e4ca62cf..f6c842723 100644
--- a/libziparchive/include/ziparchive/zip_writer.h
+++ b/libziparchive/include/ziparchive/zip_writer.h
@@ -24,6 +24,7 @@
 #include <vector>
 
 #include "android-base/macros.h"
+#include "android-base/off64_t.h"
 
 struct z_stream_s;
 typedef struct z_stream_s z_stream;