diff --git a/tests/api/clean-shutdown.js b/tests/api/clean-shutdown.js
index 77e458e6..4fa59b9f 100755
--- a/tests/api/clean-shutdown.js
+++ b/tests/api/clean-shutdown.js
@@ -4,8 +4,10 @@
 // This test checks that calling emulator.stop() will remove all event
 // listeners, so that the nodejs process cleanly and automatically exits.
 
+const TEST_RELEASE_BUILD = +process.env.TEST_RELEASE_BUILD;
+
 const fs = require("fs");
-const V86 = require("../../build/libv86-debug.js").V86;
+var V86 = require(`../../build/${TEST_RELEASE_BUILD ? "libv86" : "libv86-debug"}.js`).V86;
 
 process.on("unhandledRejection", exn => { throw exn; });
 
diff --git a/tests/api/state.js b/tests/api/state.js
index 014648e4..a2c4a2db 100755
--- a/tests/api/state.js
+++ b/tests/api/state.js
@@ -3,7 +3,9 @@
 
 process.on("unhandledRejection", exn => { throw exn; });
 
-var V86 = require("../../build/libv86-debug.js").V86;
+const TEST_RELEASE_BUILD = +process.env.TEST_RELEASE_BUILD;
+
+var V86 = require(`../../build/${TEST_RELEASE_BUILD ? "libv86" : "libv86-debug"}.js`).V86;
 var fs = require("fs");
 
 const config_async_cdrom = {
diff --git a/tests/devices/virtio_9p.js b/tests/devices/virtio_9p.js
index 863ea244..12d58e8d 100755
--- a/tests/devices/virtio_9p.js
+++ b/tests/devices/virtio_9p.js
@@ -2,7 +2,10 @@
 "use strict";
 
 process.on("unhandledRejection", exn => { throw exn; });
-const V86 = require("../../build/libv86-debug.js").V86;
+
+const TEST_RELEASE_BUILD = +process.env.TEST_RELEASE_BUILD;
+
+var V86 = require(`../../build/${TEST_RELEASE_BUILD ? "libv86" : "libv86-debug"}.js`).V86;
 const fs = require("fs");
 
 const testfsjson = require("./testfs.json");
diff --git a/tests/expect/run.js b/tests/expect/run.js
index aba1713d..53ac0cc0 100755
--- a/tests/expect/run.js
+++ b/tests/expect/run.js
@@ -1,15 +1,16 @@
 #!/usr/bin/env node
 "use strict";
 
+const TEST_RELEASE_BUILD = +process.env.TEST_RELEASE_BUILD;
+
 const fs = require("fs");
 const path = require("path");
-const process = require("process");
 const { spawnSync } = require("child_process");
 
 const libwabt = require("../../build/libwabt.js");
 
 try {
-    var V86 = require("../../build/libv86-debug.js").V86;
+    var V86 = require(`../../build/${TEST_RELEASE_BUILD ? "libv86" : "libv86-debug"}.js`).V86;
 }
 catch(e) {
     console.error(e);
diff --git a/tests/full/run.js b/tests/full/run.js
index d20eaf2f..50494757 100755
--- a/tests/full/run.js
+++ b/tests/full/run.js
@@ -6,13 +6,14 @@ process.on("unhandledRejection", exn => { throw exn; });
 var TIMEOUT_EXTRA_FACTOR = +process.env.TIMEOUT_EXTRA_FACTOR || 1;
 var MAX_PARALLEL_TESTS = +process.env.MAX_PARALLEL_TESTS || 4;
 var TEST_NAME = process.env.TEST_NAME;
+const TEST_RELEASE_BUILD = +process.env.TEST_RELEASE_BUILD;
 
 const VERBOSE = false;
 const RUN_SLOW_TESTS = false;
 
 try
 {
-    var V86 = require("../../build/libv86-debug.js").V86;
+    var V86 = require(`../../build/${TEST_RELEASE_BUILD ? "libv86" : "libv86-debug"}.js`).V86;
 }
 catch(e)
 {
diff --git a/tests/jit-paging/run.js b/tests/jit-paging/run.js
index ed045a64..b14d0c06 100755
--- a/tests/jit-paging/run.js
+++ b/tests/jit-paging/run.js
@@ -3,7 +3,9 @@
 
 process.on("unhandledRejection", exn => { throw exn; });
 
-var V86 = require("../../build/libv86-debug.js").V86;
+const TEST_RELEASE_BUILD = +process.env.TEST_RELEASE_BUILD;
+
+var V86 = require(`../../build/${TEST_RELEASE_BUILD ? "libv86" : "libv86-debug"}.js`).V86;
 var fs = require("fs");
 
 var test_executable = new Uint8Array(fs.readFileSync(__dirname + "/test-jit"));
diff --git a/tests/kvm-unit-tests/run.js b/tests/kvm-unit-tests/run.js
index a7441afa..bf38be2a 100755
--- a/tests/kvm-unit-tests/run.js
+++ b/tests/kvm-unit-tests/run.js
@@ -3,7 +3,9 @@
 
 process.on("unhandledRejection", exn => { throw exn; });
 
-var V86 = require("../../build/libv86-debug.js").V86;
+const TEST_RELEASE_BUILD = +process.env.TEST_RELEASE_BUILD;
+
+var V86 = require(`../../build/${TEST_RELEASE_BUILD ? "libv86" : "libv86-debug"}.js`).V86;
 var fs = require("fs");
 
 function readfile(path)
diff --git a/tests/nasm/run.js b/tests/nasm/run.js
index 4bd78de0..c16b127d 100755
--- a/tests/nasm/run.js
+++ b/tests/nasm/run.js
@@ -23,6 +23,7 @@ const cluster = require("cluster");
 const MAX_PARALLEL_TESTS = +process.env.MAX_PARALLEL_TESTS || 99;
 const TEST_NAME = process.env.TEST_NAME;
 const SINGLE_TEST_TIMEOUT = 10000;
+const TEST_RELEASE_BUILD = +process.env.TEST_RELEASE_BUILD;
 
 const TEST_DIR = __dirname + "/build/";
 const DONE_MSG = "DONE";
@@ -33,7 +34,7 @@ const FORCE_JIT = process.argv.includes("--force-jit");
 const MASK_ARITH = 1 | 1 << 2 | 1 << 4 | 1 << 6 | 1 << 7 | 1 << 11;
 
 try {
-    var V86 = require("../../build/libv86-debug.js").V86;
+    var V86 = require(`../../build/${TEST_RELEASE_BUILD ? "libv86" : "libv86-debug"}.js`).V86;
 }
 catch(e) {
     console.error(e);
diff --git a/tests/qemu/run.js b/tests/qemu/run.js
index 19a2f3d6..838153b0 100755
--- a/tests/qemu/run.js
+++ b/tests/qemu/run.js
@@ -3,7 +3,9 @@
 
 process.on("unhandledRejection", exn => { throw exn; });
 
-var V86 = require("../../build/libv86-debug.js").V86;
+const TEST_RELEASE_BUILD = +process.env.TEST_RELEASE_BUILD;
+
+var V86 = require(`../../build/${TEST_RELEASE_BUILD ? "libv86" : "libv86-debug"}.js`).V86;
 var fs = require("fs");
 
 var test_executable = new Uint8Array(fs.readFileSync(__dirname + "/test-i386"));