diff --git a/src/pki/command.h b/src/pki/command.h
index e55c579e4..449252eb8 100644
--- a/src/pki/command.h
+++ b/src/pki/command.h
@@ -34,7 +34,7 @@
 /**
  * Maximum number of usage summary lines (+1)
  */
-#define MAX_LINES 10
+#define MAX_LINES 11
 
 typedef struct command_t command_t;
 typedef struct command_option_t command_option_t;