diff --git a/.travis.yml b/.travis.yml
index a60a324e..66815bb8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -28,7 +28,7 @@ before_install:
 
 env:
   global:
-    - DATABASE_URL=postgres://pgx_md5:secret@127.0.0.1/pgx_test
+    - PGX_TEST_DATABASE=postgres://pgx_md5:secret@127.0.0.1/pgx_test
   matrix:
     - PGVERSION=9.6
     - PGVERSION=9.5
diff --git a/pgtype/testutil/testutil.go b/pgtype/testutil/testutil.go
index d9aaa5c4..6bf9f878 100644
--- a/pgtype/testutil/testutil.go
+++ b/pgtype/testutil/testutil.go
@@ -26,7 +26,7 @@ func MustConnectDatabaseSQL(t testing.TB, driverName string) *sql.DB {
 		t.Fatalf("Unknown driver %v", driverName)
 	}
 
-	db, err := sql.Open(sqlDriverName, os.Getenv("DATABASE_URL"))
+	db, err := sql.Open(sqlDriverName, os.Getenv("PGX_TEST_DATABASE"))
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -35,7 +35,7 @@ func MustConnectDatabaseSQL(t testing.TB, driverName string) *sql.DB {
 }
 
 func MustConnectPgx(t testing.TB) *pgx.Conn {
-	config, err := pgx.ParseURI(os.Getenv("DATABASE_URL"))
+	config, err := pgx.ParseURI(os.Getenv("PGX_TEST_DATABASE"))
 	if err != nil {
 		t.Fatal(err)
 	}