diff --git a/scripts/makepkg.sh.in b/scripts/makepkg.sh.in
index 2d672a37..1faf591f 100644
--- a/scripts/makepkg.sh.in
+++ b/scripts/makepkg.sh.in
@@ -1120,6 +1120,12 @@ write_pkginfo() {
 	else
 		local packager="Unknown Packager"
 	fi
+
+	# btrfs's delayed allocation causes the stat buffers from the kernel to "lie"
+	# to us momentarily and report 0 blocks allocated (which is how du calculates
+	# size). Sleeping for a second here is about the dirtiest thing possible,
+	# but avoids reporting entirely bogus install sizes.
+	sleep 1
 	local size="$(@DUPATH@ -sk)"
 	size="$(( ${size%%[^0-9]*} * 1024 ))"