diff --git a/src/codegen.cpp b/src/codegen.cpp
index ef8169b789d0d5ba0c11fa22bcf53c4c1e5a10f0..a53174ab89e8ffe1bbc931a0e1a579dd9c87905e 100644
--- a/src/codegen.cpp
+++ b/src/codegen.cpp
@@ -5293,12 +5293,12 @@ static void get_c_type(CodeGen *g, TypeTableEntry *type_entry, Buf *out_buf) {
                 }
             }
         case TypeTableEntryIdStruct:
+        case TypeTableEntryIdOpaque:
             {
                 // TODO add to table of structs we need to declare
                 buf_init_from_buf(out_buf, &type_entry->name);
                 return;
             }
-        case TypeTableEntryIdOpaque:
         case TypeTableEntryIdArray:
         case TypeTableEntryIdErrorUnion:
         case TypeTableEntryIdPureError: