diff --git a/srcpkgs/ecryptfs-utils/template b/srcpkgs/ecryptfs-utils/template
index ad2ac18397..7ca85fd781 100644
--- a/srcpkgs/ecryptfs-utils/template
+++ b/srcpkgs/ecryptfs-utils/template
@@ -29,6 +29,8 @@ long_desc="
 
  This package contains the userland utilities."
 
+CPPFLAGS="-D_FILE_OFFSET_BITS=64"
+
 post_install() {
 	vmove "sbin/*" usr/sbin
 	chmod +s ${DESTDIR}/usr/sbin/mount.ecryptfs_private