diff --git a/msgpi/utils/exec.py b/msgpi/utils/exec.py
index 6a5702b..1316f98 100644
--- a/msgpi/utils/exec.py
+++ b/msgpi/utils/exec.py
@@ -20,6 +20,9 @@ def run(cmd, timeout, scrnout):
         stdout, stderr = proc.communicate(timeout=timeout)
     except sbp.TimeoutExpired as e:
         print('TimeoutExpired')
-        os.killpg(os.getpgid(proc.pid), signal.SIGTERM)
+        if platform.system() == 'Windows':
+            proc.kill()
+        elif platform.system() == 'Linux':
+            os.killpg(os.getpgid(proc.pid), signal.SIGTERM)
         print('Process killed')