diff --git a/src/main.py b/src/main.py
index 9d4d58b..7c608cc 100644
--- a/src/main.py
+++ b/src/main.py
@@ -16,19 +16,23 @@ def set_utilization(fs, utilization_percent=0.6, baloon_filename='baloon', hyste
     hysteresis = int(du.total * hysteresis_percent)
     if hysteresis < BS: hysteresis = BS
     to_be_wasted = int(((du.used+du.free) * utilization_percent) - ((du.used+du.free) - du.free))
+    baloon_filename = os.path.join(fs, baloon_filename)
     if not quiet:
         print(f'hysteresis: {hysteresis}bytes')
         print(f'total: {round(du.total/ 2**30, 3)}GB, used: {round(du.used/ 2**30, 3)}GB, free: {round(du.free/ 2**30, 3)}GB usage: {round(du.used * 100 / (du.used+du.free), 3)}%')
         print(f'to_be_wasted: {round(to_be_wasted/ 2**30, 3)}GB ')
     if to_be_wasted < -hysteresis:
-        to_be_trimmed = abs(to_be_wasted)
-        baloon_size = os.path.getsize(os.path.join(fs, baloon_filename))
-        if  baloon_size> to_be_trimmed:
-            os.truncate(os.path.join(fs, baloon_filename), baloon_size - to_be_trimmed)
+        to_be_trimmed = abs(to_be_wasted)                                
+        baloon_size = os.path.getsize(baloon_filename)
+        if  baloon_size > to_be_trimmed:
+            os.truncate(baloon_filename, baloon_size - to_be_trimmed)
             if not quiet: print(f'trimmed {to_be_trimmed} Bytes')
-        elif not quiet: print(f'can\'t trim {baloon_size} < {to_be_trimmed}Bytes')
+        else:
+            if os.path.exists(baloon_filename):
+                os.remove(baloon_filename) 
+            if not quiet and to_be_trimmed > baloon_size:  print(f'can\'t trim {to_be_trimmed - baloon_size}  Bytes')
     elif to_be_wasted > hysteresis:
-        with open(os.path.join(fs, baloon_filename) , 'ab') as f:
+        with open(baloon_filename , 'ab') as f:
             last = 0
             writed = to_be_wasted
             while to_be_wasted > 0: