diff --git a/txscript/hashcache_test.go b/txscript/hashcache_test.go
index 09b71faf..cee59b99 100644
--- a/txscript/hashcache_test.go
+++ b/txscript/hashcache_test.go
@@ -13,6 +13,10 @@ import (
 	"github.com/davecgh/go-spew/spew"
 )
 
+func init() {
+	rand.Seed(time.Now().Unix())
+}
+
 // genTestTx creates a random transaction for uses within test cases.
 func genTestTx() (*wire.MsgTx, error) {
 	tx := wire.NewMsgTx(2)
@@ -56,8 +60,6 @@ func genTestTx() (*wire.MsgTx, error) {
 func TestHashCacheAddContainsHashes(t *testing.T) {
 	t.Parallel()
 
-	rand.Seed(time.Now().Unix())
-
 	cache := NewHashCache(10)
 
 	var err error
@@ -109,8 +111,6 @@ func TestHashCacheAddContainsHashes(t *testing.T) {
 func TestHashCacheAddGet(t *testing.T) {
 	t.Parallel()
 
-	rand.Seed(time.Now().Unix())
-
 	cache := NewHashCache(10)
 
 	// To start, we'll generate a random transaction and compute the set of
@@ -144,8 +144,6 @@ func TestHashCacheAddGet(t *testing.T) {
 func TestHashCachePurge(t *testing.T) {
 	t.Parallel()
 
-	rand.Seed(time.Now().Unix())
-
 	cache := NewHashCache(10)
 
 	var err error