diff --git a/CHANGELOG.md b/CHANGELOG.md
index e77fd63661783..41bc8095b8d93 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
 ### Fixed
 
+- Fixed using the same DDP python interpreter and actually running ([#2482](https://github.com/PyTorchLightning/pytorch-lightning/pull/2482))
+
 
 ## [0.8.4] - 2020-07-01
 
diff --git a/pytorch_lightning/trainer/distrib_data_parallel.py b/pytorch_lightning/trainer/distrib_data_parallel.py
index ebf93c87e69df..46dcdbbb0af47 100644
--- a/pytorch_lightning/trainer/distrib_data_parallel.py
+++ b/pytorch_lightning/trainer/distrib_data_parallel.py
@@ -419,7 +419,8 @@ def spawn_ddp_children(self, model):
             full_path = abspath(command[0])
 
         command[0] = full_path
-        command = ['python'] + command
+        # use the same python interpreter and actually running
+        command = [sys.executable] + command
 
         # since this script sets the visible devices we replace the gpus flag with a number
         num_gpus = os.environ['CUDA_VISIBLE_DEVICES'].split(',').__len__()