diff --git a/cmake_build.py b/cmake_build.py
index a6a0c94c..c4ade6f2 100644
--- a/cmake_build.py
+++ b/cmake_build.py
@@ -2,7 +2,7 @@ import os
 import sys
 import shutil
 
-assert os.system("python prebuild.py") == 0
+assert os.system("python prebuild.py") == 0 or os.system("python3 prebuild.py") == 0
 
 if not os.path.exists("build"):
     os.mkdir("build")