diff --git a/run.py b/run.py
index 3fe4de7..39b5d8c 100644
--- a/run.py
+++ b/run.py
@@ -28,8 +28,17 @@ for case in os.listdir(path):
     with open('Tasty/include/sta/tasty/config.hpp', 'w') as f:
         f.write(cfg_template.format(number))
 
+    print(colored(f'Building case { number }...', 'blue'))
+
     # Build the new project and upload it to the STM32.
-    subprocess.call(f'Tasty/flash.bat {case}', stdout=sys.stdout)
+    out = subprocess.run([r'Tasty\flash.bat', case])
+    
+    # Check if the bash script was successfully executed.
+    if out.returncode != 0:
+        print('Building\t' + colored('[FAILED]', 'red'))
+        continue
+    else:
+        print('Building\t' + colored('[PASSED]', 'red'))
 
     print(colored(f'Running case { number }...', 'blue'))