diff --git a/src/lib/eolian/eo_lexer.c b/src/lib/eolian/eo_lexer.c
index 34034f468f..ac59c6dd5d 100644
--- a/src/lib/eolian/eo_lexer.c
+++ b/src/lib/eolian/eo_lexer.c
@@ -1053,7 +1053,7 @@ eo_lexer_keyword_str_get(int kw)
 Eina_Bool
 eo_lexer_is_type_keyword(int kw)
 {
-   return (kw >= KW_byte && kw <= KW_true);
+   return (kw >= KW_byte && kw < KW_true);
 }
 
 int