diff --git a/docs/build.py b/docs/build.py
index d8c3e944c..2f0677f81 100755
--- a/docs/build.py
+++ b/docs/build.py
@@ -1,13 +1,16 @@
 #!/usr/bin/env python3
 import shutil
 import subprocess
+import sys
 from pathlib import Path
 
 here = Path(__file__).parent
 
 for script in sorted((here / "scripts").glob("*.py")):
     print(f"Generating output for {script.name}...")
-    out = subprocess.check_output(["python3", script.absolute()], cwd=here, text=True)
+    out = subprocess.check_output(
+        [sys.executable, script.absolute()], cwd=here, text=True
+    )
     if out:
         (here / "src" / "generated" / f"{script.stem}.html").write_text(
             out, encoding="utf8"