diff --git a/_pants/py_deploy.py b/_pants/py_deploy.py
index b51c787..bc8fc90 100644
--- a/_pants/py_deploy.py
+++ b/_pants/py_deploy.py
@@ -25,7 +25,7 @@
 
 
 def as_healthcheck_command(healthcheck: dict) -> str:
-    """only healthchecks with port and path are supported now"""
+    """only healthchecks with port/py_module/cmd are supported now"""
     cmd = healthcheck.get("cmd", healthcheck.get("CMD"))
     port = healthcheck.get("port")
     path = healthcheck.get("path", "/")
@@ -40,7 +40,7 @@ def as_healthcheck_command(healthcheck: dict) -> str:
         elif py_module:
             script_path = py_module.replace(".", "/")
             healthcheck["python_major_minor"] = PYTHON_MAJOR_MINOR
-            cmd = f"/bin/app/lib/python{PYTHON_MAJOR_MINOR}/site-packages/{script_path}.py"
+            cmd = f"python /bin/app/lib/python{PYTHON_MAJOR_MINOR}/site-packages/{script_path}.py"
     options = " ".join(
         f"--{name}={healthcheck.get(name, default)}"
         for name, default in default_healthcheck_options
diff --git a/docker_compose_parser/src/docker_compose_parser/file_models.py b/docker_compose_parser/src/docker_compose_parser/file_models.py
index 8668f4c..fccd65f 100644
--- a/docker_compose_parser/src/docker_compose_parser/file_models.py
+++ b/docker_compose_parser/src/docker_compose_parser/file_models.py
@@ -38,7 +38,7 @@ def _find_test(healthcheck: dict) -> Optional[str]:
         elif py_module:
             script_path = py_module.replace(".", "/")
             py_major_minor = healthcheck["python_major_minor"]
-            cmd = f"/bin/app/lib/python{py_major_minor}/site-packages/{script_path}.py"
+            cmd = f"python /bin/app/lib/python{py_major_minor}/site-packages/{script_path}.py"
         else:
             raise NotImplementedError  # should never happen, if condition
     return cmd