diff --git a/core/src/language/go.rs b/core/src/language/go.rs
index 99811424..a5d6a6bb 100644
--- a/core/src/language/go.rs
+++ b/core/src/language/go.rs
@@ -200,7 +200,7 @@ impl Language for Go {
                     .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e))?;
                 writeln!(
                     w,
-                    "const {} {} = {};",
+                    "const {} {} = {}",
                     c.id.renamed.to_pascal_case(),
                     const_type,
                     val
diff --git a/core/src/parser.rs b/core/src/parser.rs
index c2832f1e..53b9ed5d 100644
--- a/core/src/parser.rs
+++ b/core/src/parser.rs
@@ -528,7 +528,8 @@ pub(crate) fn parse_const(c: &ItemConst) -> Result<RustItem, ParseError> {
         | RustType::Special(SpecialRustType::Option(_)) => {
             return Err(ParseError::RustConstTypeInvalid);
         }
-        RustType::Special(_s) => (),
+        RustType::Special(_) => (),
+        RustType::Simple { .. } => (),
         _ => return Err(ParseError::RustConstTypeInvalid),
     };
 
@@ -567,7 +568,7 @@ fn parse_const_expr(e: &Expr) -> Result<RustConstExpr, ParseError> {
     syn::visit::visit_expr(&mut expr_visitor, e);
     expr_visitor
         .0
-        .map_or(Err(ParseError::RustConstTypeInvalid), |v| v)
+        .unwrap_or(Err(ParseError::RustConstTypeInvalid))
 }
 
 // Helpers