diff --git a/ci.py b/ci.py
index cea3245..956fdbf 100644
--- a/ci.py
+++ b/ci.py
@@ -2,8 +2,6 @@
 
 CYD_PORTS = ["esp32-3248S035C", "esp32-2432S028R"]
 BASE_DIR = os.getcwd()
-PYTHON3 = "py" if os.name == "nt" else "python3"
-
 
 if os.path.exists("out"):
     shutil.rmtree("out")
@@ -20,4 +18,4 @@
 
     shutil.copy(os.path.join(os.path.expanduser("~"), ".platformio/packages/framework-arduinoespressif32/tools/partitions/boot_app0.bin"), f"{port_path}/boot_app0.bin")
     os.chdir(port_path)
-    subprocess.run([PYTHON3, "-m", "esptool", "--chip", "esp32", "merge_bin", "-o", "merged_firmware.bin", "--flash_mode", "dio", "--flash_freq", "40m", "--flash_size", "4MB", "0x1000", "bootloader.bin", "0x8000", "partitions.bin", "0xe000", "boot_app0.bin", "0x10000", "firmware.bin"], check=True)
+    subprocess.run(["python3", "-m", "esptool", "--chip", "esp32", "merge_bin", "-o", "merged_firmware.bin", "--flash_mode", "dio", "--flash_freq", "40m", "--flash_size", "4MB", "0x1000", "bootloader.bin", "0x8000", "partitions.bin", "0xe000", "boot_app0.bin", "0x10000", "firmware.bin"], check=True)