diff --git a/src/basic/exit-status.c b/src/basic/exit-status.c
index 5ab36825c0..fcff753ada 100644
--- a/src/basic/exit-status.c
+++ b/src/basic/exit-status.c
@@ -151,6 +151,9 @@ const char* exit_status_to_string(ExitStatus status, ExitStatusLevel level) {
 
                 case EXIT_BUS_ENDPOINT:
                         return "BUS_ENDPOINT";
+
+                case EXIT_SMACK_PROCESS_LABEL:
+                        return "SMACK_PROCESS_LABEL";
                 }
         }