diff --git a/doc/en/weechat_plugin_api.en.adoc b/doc/en/weechat_plugin_api.en.adoc
index aeddbe523..ec2d5cf28 100644
--- a/doc/en/weechat_plugin_api.en.adoc
+++ b/doc/en/weechat_plugin_api.en.adoc
@@ -192,6 +192,7 @@ command_double_cb (const void *pointer, void *data,
                    int argc, char **argv, char **argv_eol)
 {
     /* make C compiler happy */
+    (void) pointer;
     (void) data;
     (void) buffer;
     (void) argv;
diff --git a/doc/fr/weechat_plugin_api.fr.adoc b/doc/fr/weechat_plugin_api.fr.adoc
index b07bc4587..2371a1aaa 100644
--- a/doc/fr/weechat_plugin_api.fr.adoc
+++ b/doc/fr/weechat_plugin_api.fr.adoc
@@ -197,6 +197,7 @@ commande_double_cb (const void *pointer, void *data,
                     int argc, char **argv, char **argv_eol)
 {
     /* pour que le compilateur C soit content */
+    (void) pointer;
     (void) data;
     (void) buffer;
     (void) argv;
diff --git a/doc/it/weechat_plugin_api.it.adoc b/doc/it/weechat_plugin_api.it.adoc
index 098aaf87b..19cae1d1d 100644
--- a/doc/it/weechat_plugin_api.it.adoc
+++ b/doc/it/weechat_plugin_api.it.adoc
@@ -210,6 +210,7 @@ command_double_cb (const void *pointer, void *data,
                    int argc, char **argv, char **argv_eol)
 {
     /* fa felice il compilatore C */
+    (void) pointer;
     (void) data;
     (void) buffer;
     (void) argv;
diff --git a/doc/ja/weechat_plugin_api.ja.adoc b/doc/ja/weechat_plugin_api.ja.adoc
index d11a38bf9..5e242f9bb 100644
--- a/doc/ja/weechat_plugin_api.ja.adoc
+++ b/doc/ja/weechat_plugin_api.ja.adoc
@@ -198,6 +198,7 @@ command_double_cb (const void *pointer, void *data,
                    int argc, char **argv, char **argv_eol)
 {
     /* C 言語コンパイラ向けに必要 */
+    (void) pointer;
     (void) data;
     (void) buffer;
     (void) argv;