shared: fix format string for usec_t type

diff --git a/src/shared/generator.c b/src/shared/generator.c
index 5d4cb5d..414470b 100644 (file)
--- a/src/shared/generator.c
+++ b/src/shared/generator.c
@@ -148,7 +148,7 @@ int generator_write_timeouts(const char *dir, const char *what, const char *wher
 
         return write_drop_in_format(dir, unit, 50, "device-timeout",
                                     "# Automatically generated by %s\n\n"
-                                    "[Unit]\nJobTimeoutSec=%lu",
+                                    "[Unit]\nJobTimeoutSec=" USEC_FMT,
                                     program_invocation_short_name,
                                     u / USEC_PER_SEC);
 }