diff --git a/build b/build
index b125ba3..4157ed8 100755
--- a/build
+++ b/build
@@ -97,6 +97,7 @@ if [ "$resolve_cname" = 1 ]; then
 fi
 
 make_opts=(
+	CI="$CI"
 	REPO="$repo"
 	COMMIT="$commit"
 	TIMESTAMP="$timestamp"
diff --git a/builder/make_log b/builder/make_log
index d262842..6de7f88 100755
--- a/builder/make_log
+++ b/builder/make_log
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-set -eufo pipefail
+set -efo pipefail
 
 target="$1"
 shift
@@ -9,6 +9,12 @@ echo -n | cat "${@/%/.log}" > "$target.log"
 
 while IFS= read -r line; do
 	date="$(date -u '+%Y-%m-%d %H:%M:%S')"
-	printf '[%s %s] %s\n' "$target" "$date" "$line"
+
+	if [ "${CI}" == "true" ]; then
+		printf '[%s] %s\n' "$target" "$line"
+	else
+		printf '[%s %s] %s\n' "$target" "$date" "$line"
+	fi
+
 	printf '[%s] %s\n' "$date" "$line" >> "$target.log"
 done