diff --git a/makechrootpkg.in b/makechrootpkg.in
index ef3f2ec..add87d3 100644
--- a/makechrootpkg.in
+++ b/makechrootpkg.in
@@ -241,8 +241,12 @@ EOF
 # These functions aren't run in makechrootpkg,
 # so no global variables
 _chrootbuild() {
+	# No coredumps
+	ulimit -c 0
+
 	# shellcheck source=/dev/null
 	. /etc/profile
+
 	# Beware, there are some stupid arbitrary rules on how you can
 	# use "$" in arguments to commands with "sudo -i".  ${foo} or
 	# ${1} is OK, but $foo or $1 isn't.