diff --git a/srcpkgs/which/template b/srcpkgs/which/template
index bc0ae49067b..8a8d0a6cd86 100644
--- a/srcpkgs/which/template
+++ b/srcpkgs/which/template
@@ -1,7 +1,7 @@
 # Template file for 'which'
 pkgname=which
 version=2.21
-revision=3
+revision=4
 bootstrap=yes
 build_style=gnu-configure
 short_desc="Displays where a particular program in your path is located"
@@ -10,3 +10,4 @@ license="GPL-3.0-or-later"
 homepage="http://savannah.gnu.org/projects/which"
 distfiles="${GNU_SITE}/$pkgname/$pkgname-$version.tar.gz"
 checksum=f4a245b94124b377d8b49646bf421f9155d36aa7614b6ebf83705d3ffc76eaad
+CFLAGS="-D_LARGE_FILE_SOURCE=1 -D_FILE_OFFSET_BITS=64"