diff --git a/src/scripting/python/hooks.c b/src/scripting/python/hooks.c
index 88b97f771..53427f5d9 100644
--- a/src/scripting/python/hooks.c
+++ b/src/scripting/python/hooks.c
@@ -107,8 +107,9 @@ do_script_hook_pre_format_html(unsigned char *url, struct cache_entry *cached,
 	PyObject *pFunc = PyDict_GetItemString(pDict, "pre_format_html_hook");
 
 	if (pFunc && PyCallable_Check(pFunc)) {
-		PyObject *pValue = PyObject_CallFunction(pFunc, "ss", url,
-		                                         fragment->data);
+		PyObject *pValue = PyObject_CallFunction(pFunc, "ss#", url,
+		                                         fragment->data,
+		                                         fragment->length);
 
 		if (pValue && (pValue != Py_None)) {
 			const unsigned char *str = PyString_AsString(pValue);
diff --git a/src/scripting/ruby/hooks.c b/src/scripting/ruby/hooks.c
index e97016781..df568a9bf 100644
--- a/src/scripting/ruby/hooks.c
+++ b/src/scripting/ruby/hooks.c
@@ -160,7 +160,7 @@ script_hook_pre_format_html(va_list ap, void *data)
 
 	args[0] = rb_str_new2(url);
 	/* FIXME: Use html_len */
-	args[1] = rb_str_new2(fragment->data);
+	args[1] = rb_str_new(fragment->data, fragment->length);
 
 	result = erb_protected_method_call("pre_format_html_hook", 2, args, &error);
 	if (error) {
diff --git a/src/scripting/see/hooks.c b/src/scripting/see/hooks.c
index db629ada9..ed7fc4e5b 100644
--- a/src/scripting/see/hooks.c
+++ b/src/scripting/see/hooks.c
@@ -171,7 +171,8 @@ script_hook_pre_format_html(va_list ap, void *data)
 		return EVENT_HOOK_STATUS_NEXT;
 
 	SEE_SET_STRING(args[0], SEE_string_sprintf(see, "%s", url));
-	SEE_SET_STRING(args[1], SEE_string_sprintf(see, "%s", fragment->data));
+	SEE_SET_STRING(args[1], SEE_string_sprintf(see, "%.*s", fragment->data,
+	                                           fragment->length));
 
 	if (!call_see_hook(see, ses, "pre_format_html", args, sizeof_array(args), &result))
 		return EVENT_HOOK_STATUS_NEXT;