diff --git a/src/core/service.c b/src/core/service.c
index f45d0c4801..91434f1382 100644
--- a/src/core/service.c
+++ b/src/core/service.c
@@ -56,6 +56,8 @@
 #include "unit-name.h"
 #include "utf8.h"
 
+#define STATUS_TEXT_MAX (16U*1024U)
+
 #define service_spawn(...) service_spawn_internal(__func__, __VA_ARGS__)
 
 static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = {
diff --git a/src/core/service.h b/src/core/service.h
index b69f3008de..8965dc827b 100644
--- a/src/core/service.h
+++ b/src/core/service.h
@@ -298,7 +298,5 @@ ServiceTimeoutFailureMode service_timeout_failure_mode_from_string(const char *s
 
 DEFINE_CAST(SERVICE, Service);
 
-#define STATUS_TEXT_MAX (16U*1024U)
-
 /* Only exported for unit tests */
 int service_deserialize_exec_command(Unit *u, const char *key, const char *value);