diff --git a/gulp/gulp-tests.js b/gulp/gulp-tests.js
index 1d68278a2c..e1fe7c2a82 100644
--- a/gulp/gulp-tests.js
+++ b/gulp/gulp-tests.js
@@ -167,7 +167,7 @@ gulp.task('test:content:safe', gulp.series('test:prepare:build', (cb) => {
 
 gulp.task('test:api:unit', (done) => {
   let runner = exec(
-    testBin('node_modules/.bin/istanbul cover --dir coverage/api-unit node_modules/mocha/bin/_mocha -- test/api/unit --recursive --require ./test/helpers/start-server'),
+    testBin('istanbul cover --dir coverage/api-unit node_modules/mocha/bin/_mocha -- test/api/unit --recursive --require ./test/helpers/start-server'),
     (err) => {
       if (err) {
         process.exit(1);
@@ -185,7 +185,7 @@ gulp.task('test:api:unit:watch', () => {
 
 gulp.task('test:api-v3:integration', (done) => {
   let runner = exec(
-    testBin('node_modules/.bin/istanbul cover --dir coverage/api-v3-integration --report lcovonly node_modules/mocha/bin/_mocha -- test/api/v3/integration --recursive --require ./test/helpers/start-server'),
+    testBin('istanbul cover --dir coverage/api-v3-integration --report lcovonly node_modules/mocha/bin/_mocha -- test/api/v3/integration --recursive --require ./test/helpers/start-server'),
     {maxBuffer: 500 * 1024},
     (err) => {
       if (err) {
@@ -217,7 +217,7 @@ gulp.task('test:api-v3:integration:separate-server', (done) => {
 
 gulp.task('test:api-v4:integration', (done) => {
   let runner = exec(
-    testBin('node_modules/.bin/istanbul cover --dir coverage/api-v4-integration --report lcovonly node_modules/mocha/bin/_mocha -- test/api/v4 --recursive --require ./test/helpers/start-server'),
+    testBin('istanbul cover --dir coverage/api-v4-integration --report lcovonly node_modules/mocha/bin/_mocha -- test/api/v4 --recursive --require ./test/helpers/start-server'),
     {maxBuffer: 500 * 1024},
     (err) => {
       if (err) {
@@ -254,4 +254,4 @@ gulp.task('test:api-v3', gulp.series(
   'test:api:unit',
   'test:api-v3:integration',
   done => done()
-));
\ No newline at end of file
+));