diff -up sblim-wbemcli-1.6.3/main.cpp.orig sblim-wbemcli-1.6.3/main.cpp
--- sblim-wbemcli-1.6.3/main.cpp.orig	2019-08-21 11:27:58.881274422 +0200
+++ sblim-wbemcli-1.6.3/main.cpp	2019-08-21 11:27:58.886274433 +0200
@@ -655,5 +655,5 @@ fini:
    // These needs to be called once
    curl_global_cleanup();
 #endif
-   return 0;
+   return retval;
 }
diff -up sblim-wbemcli-1.6.3/man/wbemcli.1.pre.in.orig sblim-wbemcli-1.6.3/man/wbemcli.1.pre.in
--- sblim-wbemcli-1.6.3/man/wbemcli.1.pre.in.orig	2019-08-21 11:27:58.883274426 +0200
+++ sblim-wbemcli-1.6.3/man/wbemcli.1.pre.in	2019-08-21 11:27:58.886274433 +0200
@@ -565,6 +565,11 @@ remote SSL protocol version.
 .TP
 .I @CACERT@
 The default CA certificate file. Can be overriden with \-cacert.
+.SH EXIT CODES
+.IP 0
+Normal termination.
+.IP 16
+Abnormal termination, see diagnostics printed to the standard error.
 .SH AUTHOR
 Adrian Schuur <schuur@de.ibm.com>
 .SH BUGS