diff --git a/src/platform/shared.c b/src/platform/shared.c
index 859ea3e3fd..5b91d7cc7b 100644
--- a/src/platform/shared.c
+++ b/src/platform/shared.c
@@ -713,7 +713,7 @@ void platform_process_messages()
 					break;
 
 				// Entering formatting characters is not allowed
-				if (utf8_is_format_code((int)e.text.text[0]))
+				if (utf8_is_format_code(utf8_get_next(e.text.text, NULL)))
 					break;
 
 				utf8 *newText = e.text.text;