diff --git a/projects/leet-code/.gitignore b/projects/leet-code/.gitignore
new file mode 100644
index 00000000..11a5d8e1
--- /dev/null
+++ b/projects/leet-code/.gitignore
@@ -0,0 +1 @@
+main.py
\ No newline at end of file
diff --git a/projects/leet-code/build.hxml b/projects/leet-code/build.hxml
index 95935713..1559620d 100644
--- a/projects/leet-code/build.hxml
+++ b/projects/leet-code/build.hxml
@@ -3,4 +3,4 @@
 --main leet_code.Main
 -dce full
 --python main.py
--cmd python main.py
+-cmd bash test-python.sh
diff --git a/projects/leet-code/test-python.sh b/projects/leet-code/test-python.sh
new file mode 100755
index 00000000..721e548e
--- /dev/null
+++ b/projects/leet-code/test-python.sh
@@ -0,0 +1,6 @@
+# "python" is supposed to mean Python3 everywhere now, but not in practice
+if [ ! -z "$(which python3)" ]; then
+    python3 main.py
+else
+    python main.py
+fi
\ No newline at end of file