diff --git a/doc/en/weechat_plugin_api.en.adoc b/doc/en/weechat_plugin_api.en.adoc
index 3efc53367..95eefebad 100644
--- a/doc/en/weechat_plugin_api.en.adoc
+++ b/doc/en/weechat_plugin_api.en.adoc
@@ -546,19 +546,19 @@ str = weechat.ngettext("file", "files", num_files)
 
 ==== strndup
 
-Return duplicated string, with _length_ chars max.
+Return duplicated string, with a max number of bytes.
 
 Prototype:
 
 [source,c]
 ----
-char *weechat_strndup (const char *string, int length);
+char *weechat_strndup (const char *string, int bytes);
 ----
 
 Arguments:
 
 * _string_: string to duplicate
-* _length_: max chars to duplicate
+* _bytes_: max bytes to duplicate
 
 Return value:
 
diff --git a/doc/fr/weechat_plugin_api.fr.adoc b/doc/fr/weechat_plugin_api.fr.adoc
index ac07919d1..0477c7b82 100644
--- a/doc/fr/weechat_plugin_api.fr.adoc
+++ b/doc/fr/weechat_plugin_api.fr.adoc
@@ -556,19 +556,19 @@ str = weechat.ngettext("file", "files", num_files)
 
 ==== strndup
 
-Retourner la chaîne dupliquée, avec au plus _length_ caractères.
+Retourner la chaîne dupliquée, avec un nombre maximum d'octets.
 
 Prototype :
 
 [source,c]
 ----
-char *weechat_strndup (const char *string, int length);
+char *weechat_strndup (const char *string, int bytes);
 ----
 
 Paramètres :
 
 * _string_ : chaîne à dupliquer
-* _length_ : nombre maximum de caractères à dupliquer
+* _bytes_ : nombre maximum d'octets à dupliquer
 
 Valeur de retour :
 
diff --git a/doc/it/weechat_plugin_api.it.adoc b/doc/it/weechat_plugin_api.it.adoc
index f73513b60..8710dff8f 100644
--- a/doc/it/weechat_plugin_api.it.adoc
+++ b/doc/it/weechat_plugin_api.it.adoc
@@ -577,20 +577,21 @@ str = weechat.ngettext("file", "files", num_files)
 
 ==== strndup
 
-Restituisce una stringa duplicata, con un massimo di caratteri
-impostato su _chars_.
+// TRANSLATION MISSING
+Return duplicated string, with a max number of bytes.
 
 Prototipo:
 
 [source,c]
 ----
-char *weechat_strndup (const char *string, int length);
+char *weechat_strndup (const char *string, int bytes);
 ----
 
 Argomenti:
 
 * _string_: stringa da duplicare
-* _length_: caratteri massimi da duplicare
+// TRANSLATION MISSING
+* _bytes_: max bytes to duplicate
 
 Valore restituito:
 
diff --git a/doc/ja/weechat_plugin_api.ja.adoc b/doc/ja/weechat_plugin_api.ja.adoc
index 90eac1c0d..ba18830a6 100644
--- a/doc/ja/weechat_plugin_api.ja.adoc
+++ b/doc/ja/weechat_plugin_api.ja.adoc
@@ -556,19 +556,21 @@ str = weechat.ngettext("file", "files", num_files)
 
 ==== strndup
 
-複製した文字列を最大で _length_ 文字分返す。
+// TRANSLATION MISSING
+Return duplicated string, with a max number of bytes.
 
 プロトタイプ:
 
 [source,c]
 ----
-char *weechat_strndup (const char *string, int length);
+char *weechat_strndup (const char *string, int bytes);
 ----
 
 引数:
 
 * _string_: 複製元の文字列
-* _length_: 複製する文字列の最大文字数
+// TRANSLATION MISSING
+* _bytes_: max bytes to duplicate
 
 戻り値:
 
diff --git a/doc/sr/weechat_plugin_api.sr.adoc b/doc/sr/weechat_plugin_api.sr.adoc
index f526714c6..529cd8654 100644
--- a/doc/sr/weechat_plugin_api.sr.adoc
+++ b/doc/sr/weechat_plugin_api.sr.adoc
@@ -521,19 +521,21 @@ str = weechat.ngettext("file", "files", num_files)
 
 ==== strndup
 
-Враћа дуплирани стринг, са макс _length_ карактера.
+// TRANSLATION MISSING
+Return duplicated string, with a max number of bytes.
 
 Прототип:
 
 [source, C]
 ----
-char *weechat_strndup (const char *string, int length);
+char *weechat_strndup (const char *string, int bytes);
 ----
 
 Аргументи:
 
 * _string_: стринг који се дуплира
-* _length_: макс број карактера који може да се дуплира
+// TRANSLATION MISSING
+* _bytes_: max bytes to duplicate
 
 Повратна вредност:
 
diff --git a/src/core/wee-string.c b/src/core/wee-string.c
index 633a5be3d..54828ccf3 100644
--- a/src/core/wee-string.c
+++ b/src/core/wee-string.c
@@ -75,22 +75,22 @@ struct t_hashtable *string_hashtable_shared = NULL;
  */
 
 char *
-string_strndup (const char *string, int length)
+string_strndup (const char *string, int bytes)
 {
     char *result;
 
-    if (!string || (length < 0))
+    if (!string || (bytes < 0))
         return NULL;
 
-    if ((int)strlen (string) < length)
+    if ((int)strlen (string) < bytes)
         return strdup (string);
 
-    result = malloc (length + 1);
+    result = malloc (bytes + 1);
     if (!result)
         return NULL;
 
-    memcpy (result, string, length);
-    result[length] = '\0';
+    memcpy (result, string, bytes);
+    result[bytes] = '\0';
 
     return result;
 }
diff --git a/tests/unit/core/test-core-string.cpp b/tests/unit/core/test-core-string.cpp
index 93cc316ae..b6072489a 100644
--- a/tests/unit/core/test-core-string.cpp
+++ b/tests/unit/core/test-core-string.cpp
@@ -126,7 +126,7 @@ TEST_GROUP(CoreString)
  *   string_strndup
  */
 
-TEST(CoreString, Duplicate)
+TEST(CoreString, Strndup)
 {
     const char *str_test = "test";
     char *str;