diff --git a/src/datatype.c b/src/datatype.c
index 723ac649ea42..6a9b0239d37c 100644
--- a/src/datatype.c
+++ b/src/datatype.c
@@ -397,6 +397,7 @@ const struct datatype integer_type = {
 	.type		= TYPE_INTEGER,
 	.name		= "integer",
 	.desc		= "integer",
+	.size		= 4 * BITS_PER_BYTE,
 	.print		= integer_type_print,
 	.json		= integer_type_json,
 	.parse		= integer_type_parse,