diff --git a/ChangeLog.adoc b/ChangeLog.adoc
index b921a545c..02dbb3a84 100644
--- a/ChangeLog.adoc
+++ b/ChangeLog.adoc
@@ -20,6 +20,7 @@ https://weechat.org/files/releasenotes/ReleaseNotes-devel.html[release notes]
 
 Bug fixes::
 
+  * core: fix display glitch in command errors when a wide char is set in option weechat.look.command_chars (issue #1871)
   * typing: fix crash when pointer buffer is not received in callback for signal "input_text_changed" (issue #1869)
 
 Build::
diff --git a/src/core/wee-command.h b/src/core/wee-command.h
index 6d7154b18..0decd8737 100644
--- a/src/core/wee-command.h
+++ b/src/core/wee-command.h
@@ -63,7 +63,7 @@
             argv[0],                                                    \
             (__option && __option[0]) ? " " : "",                       \
             (__option && __option[0]) ? __option : "",                  \
-            argv[0] + 1);                                               \
+            utf8_next_char (argv[0]));                                  \
         return WEECHAT_RC_ERROR;                                        \
     }
 
@@ -76,7 +76,7 @@
               "(help on command: /help %s)"),                           \
             gui_chat_prefix[GUI_CHAT_PREFIX_ERROR],                     \
             argv_eol[0],                                                \
-            argv[0] + 1);                                               \
+            utf8_next_char (argv[0]));                                  \
         return WEECHAT_RC_ERROR;                                        \
     }