diff --git a/ctf_encoder.c b/ctf_encoder.c
index 825cfa2..6f06c08 100644
--- a/ctf_encoder.c
+++ b/ctf_encoder.c
@@ -155,7 +155,8 @@ static int enumeration_type__encode(struct tag *self, uint16_t core_id,
 	struct type *etype = tag__type(self);
 	int64_t position;
 	int ctf_id = ctf__add_enumeration_type(ctf, etype->namespace.name,
-					       etype->nr_members, &position);
+					       etype->size, etype->nr_members,
+					       &position);
 
 	if (ctf_id < 0 || tag__check_id_drift(self, core_id, ctf_id))
 		return -1;
diff --git a/libctf.c b/libctf.c
index e8fd2c8..10ca8d1 100644
--- a/libctf.c
+++ b/libctf.c
@@ -324,14 +324,14 @@ int ctf__add_function_type(struct ctf *self, uint16_t type, uint16_t nr_parms,
 	return ++self->type_index;
 }
 
-int ctf__add_enumeration_type(struct ctf *self, uint32_t name,
+int ctf__add_enumeration_type(struct ctf *self, uint32_t name, uint16_t size,
 			      uint16_t nr_entries, int64_t *position)
 {
 	struct ctf_short_type e;
 
 	e.ctf_name = name;
 	e.ctf_info = CTF_INFO_ENCODE(CTF_TYPE_KIND_ENUM, nr_entries, 0);
-	e.ctf_size = 0;
+	e.ctf_size = size;
 
 	gobuffer__add(&self->types, &e, sizeof(e));
 	*position = gobuffer__allocate(&self->types,
diff --git a/libctf.h b/libctf.h
index 62c21b8..b70aea9 100644
--- a/libctf.h
+++ b/libctf.h
@@ -31,7 +31,7 @@ int ctf__add_array(struct ctf *self, uint16_t type, uint16_t index_type,
 void ctf__add_parameter(struct ctf *self, uint16_t type, int64_t *position);
 int ctf__add_function_type(struct ctf *self, uint16_t type,
 			   uint16_t nr_parms, bool varargs, int64_t *position);
-int ctf__add_enumeration_type(struct ctf *self, uint32_t name,
+int ctf__add_enumeration_type(struct ctf *self, uint32_t name, uint16_t size,
 			      uint16_t nr_entries, int64_t *position);
 void ctf__add_enumerator(struct ctf *self, uint32_t name, uint32_t value,
 			 int64_t *position);