diff --git a/crowdin_sync.py b/crowdin_sync.py
index 2bce4f4..c0a285a 100755
--- a/crowdin_sync.py
+++ b/crowdin_sync.py
@@ -5,7 +5,7 @@
 # Updates Crowdin source translations and pushes translations
 # directly to CyanogenMod's Gerrit.
 #
-# Copyright (C) 2014 The CyanogenMod Project
+# Copyright (C) 2014-2015 The CyanogenMod Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -68,6 +68,13 @@
     except:
         print('Failed to push commit for ' + name)
 
+def run_command(cmd):
+    p = subprocess.Popen(cmd, stdout=sys.stdout, stderr=sys.stderr)
+    ret = p.wait()
+    if ret != 0:
+        print('Failed to run cmd: %s' % ' '.join(cmd))
+        sys.exit(ret)
+
 ####################################################################################################
 
 parser = argparse.ArgumentParser(description='Synchronising CyanogenMod\'s translations with Crowdin')
@@ -147,11 +154,11 @@
     print('\nSTEP 1: Upload Crowdin source translations')
     print('Uploading Crowdin source translations (AOSP supported languages)')
     # Execute 'crowdin-cli upload sources' and show output
-    print(subprocess.check_output(['crowdin-cli', '--config=crowdin/crowdin_' + default_branch + '.yaml', '--identity=crowdin/config.yaml', 'upload', 'sources']))
+    run_command(['crowdin-cli', '--config=crowdin/crowdin_' + default_branch + '.yaml', '--identity=crowdin/config.yaml', 'upload', 'sources'])
 
     print('Uploading Crowdin source translations (non-AOSP supported languages)')
     # Execute 'crowdin-cli upload sources' and show output
-    print(subprocess.check_output(['crowdin-cli', '--config=crowdin/crowdin_' + default_branch + '_aosp.yaml', '--identity=crowdin/config_aosp.yaml', 'upload', 'sources']))
+    run_command(['crowdin-cli', '--config=crowdin/crowdin_' + default_branch + '_aosp.yaml', '--identity=crowdin/config_aosp.yaml', 'upload', 'sources'])
 else:
     print('\nSkipping source translations upload')
 
@@ -159,11 +166,11 @@
     print('\nSTEP 2: Download Crowdin translations')
     print('Downloading Crowdin translations (AOSP supported languages)')
     # Execute 'crowdin-cli download' and show output
-    print(subprocess.check_output(['crowdin-cli', '--config=crowdin/crowdin_' + default_branch + '.yaml', '--identity=crowdin/config.yaml', 'download']))
+    run_command(['crowdin-cli', '--config=crowdin/crowdin_' + default_branch + '.yaml', '--identity=crowdin/config.yaml', 'download'])
 
     print('Downloading Crowdin translations (non-AOSP supported languages)')
     # Execute 'crowdin-cli download' and show output
-    print(subprocess.check_output(['crowdin-cli', '--config=crowdin/crowdin_' + default_branch + '_aosp.yaml', '--identity=crowdin/config_aosp.yaml', 'download']))
+    run_command(['crowdin-cli', '--config=crowdin/crowdin_' + default_branch + '_aosp.yaml', '--identity=crowdin/config_aosp.yaml', 'download'])
 
     print('\nSTEP 3: Remove useless empty translations')
     # Some line of code that I found to find all XML files