diff --git a/umake.py b/umake.py
index 6d7605e..e4930b9 100755
--- a/umake.py
+++ b/umake.py
@@ -61,8 +61,12 @@ def make(config: Config):
 
     # Clean action
     if arguments.clean:
-        shutil.rmtree(config.OBJECT_DIR, ignore_errors=True)
-        shutil.rmtree(config.BIN_DIR, ignore_errors=True)
+        if config.OBJECT_DIR.exists():
+            for object_entry in config.OBJECT_DIR.iterdir():
+                shutil.rmtree(object_entry, ignore_errors=True)
+        if config.BIN_DIR.exists():
+            for binary_entry in config.BIN_DIR.iterdir():
+                shutil.rmtree(binary_entry, ignore_errors=True)
         return
 
     if config.PRE_COMPILE_FUNCTION is not None: