diff --git a/src/scripting/python/hooks.c b/src/scripting/python/hooks.c
index 44e62266..41c4787e 100644
--- a/src/scripting/python/hooks.c
+++ b/src/scripting/python/hooks.c
@@ -161,7 +161,7 @@ script_hook_pre_format_html(va_list ap, void *data)
 	if (!is_cp_utf8(codepage)) {
 		int width;
 		struct conv_table *ctable = get_translation_table(codepage, utf8_cp);
-		char *utf8_data = convert_string(ctable, fragment->data, fragment->length, utf8_cp, CSM_NONE,
+		char *utf8_data = convert_string(ctable, fragment->data, (int)fragment->length, utf8_cp, CSM_NONE,
 			&width, NULL, NULL);
 
 		if (!utf8_data) {
@@ -170,7 +170,7 @@ script_hook_pre_format_html(va_list ap, void *data)
 		result = PyObject_CallMethod(python_hooks, method, "ss#", url, utf8_data, width);
 		mem_free(utf8_data);
 	} else {
-		result = PyObject_CallMethod(python_hooks, method, "ss#", url, fragment->data, fragment->length);
+		result = PyObject_CallMethod(python_hooks, method, "ss#", url, fragment->data, (int)fragment->length);
 	}
 
 	if (!result) goto error;
@@ -188,7 +188,7 @@ script_hook_pre_format_html(va_list ap, void *data)
 		if (!is_cp_utf8(codepage)) {
 			int width;
 			struct conv_table *ctable = get_translation_table(utf8_cp, codepage);
-			char *dec_data = convert_string(ctable, str, len, codepage, CSM_NONE,
+			char *dec_data = convert_string(ctable, str, (int)len, codepage, CSM_NONE,
 				&width, NULL, NULL);
 
 			if (!dec_data) {