diff --git a/1ano/fp/aula06/fileList.py b/1ano/fp/aula06/fileList.py
index e9bdaf5..c6fba1b 100644
--- a/1ano/fp/aula06/fileList.py
+++ b/1ano/fp/aula06/fileList.py
@@ -8,22 +8,31 @@ def main():
 
 
 def printFilesSize(path):
-    print(f'|{"-"*78}|')
-    print(f'| {"File":<63} {"Size":>12} |\n|{"-"*78}|')
-    for file in os.listdir(path):
-        base_size = os.stat(f'{path}/{file}').st_size
-        if os.path.isdir(f'{path}/{file}'):
-            size = "-Directory-"
-        elif base_size < 1024:
-            size = str(base_size) + ' B'
-        elif base_size < 1024 ** 2:
-            size = f'{base_size // 1024}.{str(base_size % 1024)[0]} KB'
-        elif base_size < 1024 ** 3:
-            size = f'{base_size // (1024**2)}.{str(base_size % (1024**2))[0]} MB'
-        else:
-            size = f'{base_size // (1024**3)}.{str(base_size % (1024**3))[0]} GB'
-        print(f'| {file:<63} {size:>12} |')
-    print(f'|{"-"*78}|')
+    try:
+        directory = os.listdir(path)
+    except FileNotFoundError:
+        print(f"[Error] Unable to find that directory: '{os.path.abspath(path)}'")
+        exit(1)
+    except NotADirectoryError:
+        print(f"[Error] Path is not a directory: '{os.path.abspath(path)}'")
+        exit(1)
+    else:
+        print(f'|{"-"*78}|')
+        print(f'| {"File":<63} {"Size":>12} |\n|{"-"*78}|')
+        for file in directory:
+            base_size = os.stat(f'{path}/{file}').st_size
+            if os.path.isdir(f'{path}/{file}'):
+                size = "-Directory-"
+            elif base_size < 1024:
+                size = str(base_size) + ' B'
+            elif base_size < 1024 ** 2:
+                size = f'{base_size // 1024}.{str(base_size % 1024)[0]} KB'
+            elif base_size < 1024 ** 3:
+                size = f'{base_size // (1024**2)}.{str(base_size % (1024**2))[0]} MB'
+            else:
+                size = f'{base_size // (1024**3)}.{str(base_size % (1024**3))[0]} GB'
+            print(f'| {file:<63} {size:>12} |')
+        print(f'|{"-"*78}|')
 
 
 if __name__ == "__main__":