diff --git a/cli_classic.c b/cli_classic.c
index 5bdfa01..cf7de87 100644
--- a/cli_classic.c
+++ b/cli_classic.c
@@ -297,7 +297,7 @@
 			cli_classic_validate_singleop(&operation_specified);
 			list_supported_wiki = 1;
 #else
-			cli_classic_abort_usage("Error: Wiki output was not"
+			cli_classic_abort_usage("Error: Wiki output was not "
 					"compiled in. Aborting.\n");
 #endif
 			break;