diff --git a/asterix-runtime/src/main/resources/adm.grammar b/asterix-runtime/src/main/resources/adm.grammar
index b0ca26f..2446e48 100644
--- a/asterix-runtime/src/main/resources/adm.grammar
+++ b/asterix-runtime/src/main/resources/adm.grammar
@@ -13,6 +13,7 @@
 INT16_CONS     = string(int16)
 INT32_CONS     = string(int32)
 INT64_CONS     = string(int64)
+INT64_CONS     = string(int)
 FLOAT_CONS     = string(float)
 DOUBLE_CONS    = string(double)
 DATE_CONS      = string(date)