diff --git a/src/idl_gen_as.cpp b/src/idl_gen_as.cpp
index d9bb83caf9fe..3f4389a3f1c5 100644
--- a/src/idl_gen_as.cpp
+++ b/src/idl_gen_as.cpp
@@ -233,11 +233,9 @@ class AsGenerator : public BaseGenerator {
       case BASE_TYPE_VECTOR: return "[]";
 
       case BASE_TYPE_LONG:
-        int64_t constant = StringToInt(value.constant.c_str());
-        return NumToString(constant) + " as i64";
+        return value.constant.c_str() + " as i64";
       case BASE_TYPE_ULONG: {
-        int64_t constant = StringToInt(value.constant.c_str());
-        return NumToString(constant) + " as u64";
+        return value.constant.c_str() + " as u64";
       }
 
       default: return value.constant;