diff --git a/src/libsystemd/sd-json/json-util.h b/src/libsystemd/sd-json/json-util.h
index 242668ecce..585547c91d 100644
--- a/src/libsystemd/sd-json/json-util.h
+++ b/src/libsystemd/sd-json/json-util.h
@@ -195,4 +195,5 @@ enum {
 #define JSON_BUILD_PAIR_HW_ADDR(name, v) SD_JSON_BUILD_PAIR(name, JSON_BUILD_HW_ADDR(v))
 #define JSON_BUILD_PAIR_STRING_SET(name, s) SD_JSON_BUILD_PAIR(name, JSON_BUILD_STRING_SET(s))
 #define JSON_BUILD_PAIR_STRING_ORDERED_SET(name, s) SD_JSON_BUILD_PAIR(name, JSON_BUILD_STRING_ORDERED_SET(s))
+#define JSON_BUILD_PAIR_DUAL_TIMESTAMP(name, t) SD_JSON_BUILD_PAIR(name, JSON_BUILD_DUAL_TIMESTAMP(t))
 #define JSON_BUILD_PAIR_RATELIMIT(name, rl) SD_JSON_BUILD_PAIR(name, JSON_BUILD_RATELIMIT(rl))