diff --git a/qa/zcash/full_test_suite.py b/qa/zcash/full_test_suite.py
index fd67a6945..119a137a1 100755
--- a/qa/zcash/full_test_suite.py
+++ b/qa/zcash/full_test_suite.py
@@ -137,12 +137,8 @@ def ensure_no_dot_so_in_depends():
     return exit_code == 0
 
 def util_test():
-    python = []
-    if os.path.isfile('/usr/local/bin/python3'):
-        python = ['/usr/local/bin/python3']
-
     return subprocess.call(
-        python + [repofile('src/test/bitcoin-util-test.py')],
+        [sys.executable, repofile('src/test/bitcoin-util-test.py')],
         cwd=repofile('src'),
         env={'PYTHONPATH': repofile('src/test'), 'srcdir': repofile('src')}
     ) == 0