diff --git a/sql/vector--0.7.4--0.8.0.sql b/sql/vector--0.7.4--0.8.0.sql
index 93f591f..f140d09 100644
--- a/sql/vector--0.7.4--0.8.0.sql
+++ b/sql/vector--0.7.4--0.8.0.sql
@@ -81,9 +81,15 @@ CREATE FUNCTION intvec(intvec, integer, boolean) RETURNS intvec
 CREATE FUNCTION array_to_intvec(integer[], integer, boolean) RETURNS intvec
 	AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
 
+CREATE FUNCTION intvec_to_int(intvec, integer, boolean) RETURNS int[]
+	AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
 CREATE CAST (intvec AS intvec)
 	WITH FUNCTION intvec(intvec, integer, boolean) AS IMPLICIT;
 
+CREATE CAST (intvec AS int[])
+	WITH FUNCTION intvec_to_int(intvec, integer, boolean) AS ASSIGNMENT;
+
 CREATE CAST (integer[] AS intvec)
 	WITH FUNCTION array_to_intvec(integer[], integer, boolean) AS ASSIGNMENT;
 
diff --git a/sql/vector.sql b/sql/vector.sql
index 2809fd3..dea65aa 100644
--- a/sql/vector.sql
+++ b/sql/vector.sql
@@ -735,11 +735,17 @@ CREATE FUNCTION intvec(intvec, integer, boolean) RETURNS intvec
 CREATE FUNCTION array_to_intvec(integer[], integer, boolean) RETURNS intvec
 	AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
 
+CREATE FUNCTION intvec_to_int(intvec, integer, boolean) RETURNS int[]
+	AS 'MODULE_PATHNAME' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
+
 -- intvec casts
 
 CREATE CAST (intvec AS intvec)
 	WITH FUNCTION intvec(intvec, integer, boolean) AS IMPLICIT;
 
+CREATE CAST (intvec AS int[])
+	WITH FUNCTION intvec_to_int(intvec, integer, boolean) AS ASSIGNMENT;
+
 CREATE CAST (integer[] AS intvec)
 	WITH FUNCTION array_to_intvec(integer[], integer, boolean) AS ASSIGNMENT;
 
diff --git a/src/intvec.c b/src/intvec.c
index 03716d1..30aa457 100644
--- a/src/intvec.c
+++ b/src/intvec.c
@@ -415,6 +415,29 @@ array_to_intvec(PG_FUNCTION_ARGS)
 	PG_RETURN_POINTER(result);
 }
 
+/*
+ * Convert int vector to int[]
+ */
+FUNCTION_PREFIX PG_FUNCTION_INFO_V1(intvec_to_int);
+Datum
+intvec_to_int(PG_FUNCTION_ARGS)
+{
+	IntVector  *vec = PG_GETARG_INTVEC_P(0);
+	Datum	   *datums;
+	ArrayType  *result;
+
+	datums = (Datum *) palloc(sizeof(Datum) * vec->dim);
+
+	for (int i = 0; i < vec->dim; i++)
+		datums[i] = Int32GetDatum((int) vec->x[i]);
+
+	result = construct_array(datums, vec->dim, INT4OID, sizeof(int32), true, TYPALIGN_INT);
+
+	pfree(datums);
+
+	PG_RETURN_POINTER(result);
+}
+
 /*
  * Get the L2 distance between int vectors
  */
@@ -587,7 +610,7 @@ FUNCTION_PREFIX PG_FUNCTION_INFO_V1(intvec_vector_dims);
 Datum
 intvec_vector_dims(PG_FUNCTION_ARGS)
 {
-	IntVector *a = PG_GETARG_INTVEC_P(0);
+	IntVector  *a = PG_GETARG_INTVEC_P(0);
 
 	PG_RETURN_INT32(a->dim);
 }
diff --git a/test/expected/cast.out b/test/expected/cast.out
index 621c0da..b641f64 100644
--- a/test/expected/cast.out
+++ b/test/expected/cast.out
@@ -140,6 +140,12 @@ SELECT '{1e-8,-1e-8}'::real[]::halfvec;
  [0,-0]
 (1 row)
 
+SELECT '[1,2,3]'::intvec::int[];
+  int4   
+---------
+ {1,2,3}
+(1 row)
+
 SELECT '{1,2,3}'::int[]::intvec;
  intvec  
 ---------
diff --git a/test/sql/cast.sql b/test/sql/cast.sql
index 34f94fe..8ce92fe 100644
--- a/test/sql/cast.sql
+++ b/test/sql/cast.sql
@@ -38,6 +38,8 @@ SELECT '{1,2,3}'::real[]::halfvec(2);
 SELECT '{65520,-65520}'::real[]::halfvec;
 SELECT '{1e-8,-1e-8}'::real[]::halfvec;
 
+SELECT '[1,2,3]'::intvec::int[];
+
 SELECT '{1,2,3}'::int[]::intvec;
 SELECT '{1,2,3}'::int[]::intvec(3);
 SELECT '{1,2,3}'::int[]::intvec(2);