diff --git a/fastboot/Android.bp b/fastboot/Android.bp
index bf9ec90..43b2ddd 100644
--- a/fastboot/Android.bp
+++ b/fastboot/Android.bp
@@ -208,6 +208,7 @@
         "-Werror",
         "-Wunreachable-code",
         "-DANDROID_BASE_UNIQUE_FD_DISABLE_IMPLICIT_CONVERSION",
+        "-D_FILE_OFFSET_BITS=64"
     ],
 
     target: {
diff --git a/fastboot/vendor_boot_img_utils.cpp b/fastboot/vendor_boot_img_utils.cpp
index 2db20cd..9e09abb 100644
--- a/fastboot/vendor_boot_img_utils.cpp
+++ b/fastboot/vendor_boot_img_utils.cpp
@@ -184,7 +184,7 @@
     if (!android::base::WriteStringToFd(data, fd)) {
         return ErrnoErrorf("Cannot write new content to {}", what);
     }
-    if (TEMP_FAILURE_RETRY(ftruncate64(fd.get(), data.size())) == -1) {
+    if (TEMP_FAILURE_RETRY(ftruncate(fd.get(), data.size())) == -1) {
         return ErrnoErrorf("Truncating new vendor boot image to 0x{:x} fails", data.size());
     }
     return {};