diff --git a/src/sbbs3/jsexec.c b/src/sbbs3/jsexec.c
index a1852f8971bea2b3f9e9caaf2ca0812dd94be2a7..ee10260dd7307c2a660a0707084b3c259d491579 100644
--- a/src/sbbs3/jsexec.c
+++ b/src/sbbs3/jsexec.c
@@ -71,9 +71,9 @@ void usage(FILE* fp)
 		"\navailable opts:\n\n"
 		"\t-m <bytes>      set maximum heap size (default=%u bytes)\n"
 		"\t-s <bytes>      set context stack size (default=%u bytes)\n"
-		"\t-b <limit>      set branch limit (default=%lu, 0=unlimited)\n"
-		"\t-y <freq>       set yield frequency (default=%lu, 0=never)\n"
-		"\t-g <freq>       set garbage collection frequency (default=%lu, 0=never)\n"
+		"\t-b <limit>      set branch limit (default=%u, 0=unlimited)\n"
+		"\t-y <freq>       set yield frequency (default=%u, 0=never)\n"
+		"\t-g <freq>       set garbage collection frequency (default=%u, 0=never)\n"
 		"\t-t <filename>   send console output to stdout and filename\n"
 		"\t-q              send console output to %s (quiet mode)\n"
 		"\t-e              send error messages to console instead of stderr\n"