diff --git a/srcpkgs/linux4.19/template b/srcpkgs/linux4.19/template
index 9274043253b..91bdb042d8f 100644
--- a/srcpkgs/linux4.19/template
+++ b/srcpkgs/linux4.19/template
@@ -39,6 +39,11 @@ mutable_files="
  /usr/lib/modules/${_kernver}/modules.alias.bin
  /usr/lib/modules/${_kernver}/modules.devname"
 
+# reproducible build
+export KBUILD_BUILD_TIMESTAMP=${SOURCE_DATE_EPOCH:-0}
+export KBUILD_BUILD_USER=voidlinux
+export KBUILD_BUILD_HOST=voidlinux
+
 do_configure() {
 	# 4.19 misses Documentation/DocBook. We ship the directory from 4.12 here.
 	cp -a $FILESDIR/DocBook -t Documentation