diff --git a/builtins/string.h b/builtins/string.h
index 48c39ae..f9dc83c 100644
--- a/builtins/string.h
+++ b/builtins/string.h
@@ -47,6 +47,7 @@ typedef struct {
 } Str_namespace_t;
 extern Str_namespace_t Str;
 
+CORD Str__as_str(const void *str, bool colorize, const TypeInfo *info);
 CORD Str__quoted(CORD str, bool colorize);
 int Str__compare(CORD *x, CORD *y);
 bool Str__equal(CORD *x, CORD *y);
diff --git a/compile.c b/compile.c
index 0496f49..665c646 100644
--- a/compile.c
+++ b/compile.c
@@ -44,7 +44,7 @@ CORD expr_as_string(env_t *env, CORD expr, type_t *t, CORD color)
     case BoolType: return CORD_asprintf("Bool__as_str(%r, %r, NULL)", expr, color);
     case IntType: return CORD_asprintf("Int%ld__as_str(%r, %r, NULL)", Match(t, IntType)->bits, expr, color);
     case NumType: return CORD_asprintf("Num%ld__as_str(%r, %r, NULL)", Match(t, NumType)->bits, expr, color);
-    case StringType: return CORD_asprintf("Str__as_str(%r, %r, &Str_type.type)", expr, color);
+    case StringType: return CORD_asprintf("Str__as_str(%r, %r, &Str.type)", expr, color);
     case ArrayType: return CORD_asprintf("Array__as_str(%r, %r, %r)", expr, color, compile_type_info(env, t));
     case TableType: return CORD_asprintf("Table_as_str(%r, %r, %r)", expr, color, compile_type_info(env, t));
     case FunctionType: return CORD_asprintf("Func__as_str(%r, %r, %r)", expr, color, compile_type_info(env, t));