diff --git a/src/protocol/parser/pass_definitions.rs b/src/protocol/parser/pass_definitions.rs
index 0436245808a05644b981900a7705735ba1f7457b..c6b2f994762f6f61637e05f7c3fd29e8198a074b 100644
--- a/src/protocol/parser/pass_definitions.rs
+++ b/src/protocol/parser/pass_definitions.rs
@@ -31,13 +31,13 @@ impl PassDefinitions {
             cur_definition: DefinitionId::new_invalid(),
             type_parser: ParserTypeParser::new(),
             buffer: String::with_capacity(128),
-            struct_fields: ScopedBuffer::new_reserved(128),
-            enum_variants: ScopedBuffer::new_reserved(128),
-            union_variants: ScopedBuffer::new_reserved(128),
-            variables: ScopedBuffer::new_reserved(128),
-            expressions: ScopedBuffer::new_reserved(128),
-            statements: ScopedBuffer::new_reserved(128),
-            parser_types: ScopedBuffer::new_reserved(128),
+            struct_fields: ScopedBuffer::with_capacity(128),
+            enum_variants: ScopedBuffer::with_capacity(128),
+            union_variants: ScopedBuffer::with_capacity(128),
+            variables: ScopedBuffer::with_capacity(128),
+            expressions: ScopedBuffer::with_capacity(128),
+            statements: ScopedBuffer::with_capacity(128),
+            parser_types: ScopedBuffer::with_capacity(128),
         }
     }