diff --git a/cli/mmcli-common.c b/cli/mmcli-common.c
index 42778eced6bf582875bdb2424f4c15c606db595a..46f02b5f69e8d392dd9896c06e0409aaa46a7663 100644
--- a/cli/mmcli-common.c
+++ b/cli/mmcli-common.c
@@ -1893,7 +1893,7 @@ static GOptionEntry entries[] = {
       "Specify Call by path or index. Shows Call information if no action specified.",
       "[PATH|INDEX]"
     },
-    { "cbm", 'o', 0, G_OPTION_ARG_STRING, &cbm_str,
+    { "cbm", 'c', 0, G_OPTION_ARG_STRING, &cbm_str,
       "Specify CBM by path or index. Shows Cbm information if no action specified.",
       "[PATH|INDEX]"
     },