diff --git a/argparams.py b/argparams.py
index 14f014a..b262ce5 100644
--- a/argparams.py
+++ b/argparams.py
@@ -85,19 +85,19 @@ def parse_args():
 
 def verify_args(args):
     # Informational logs
-    logging.info(f"Interval function: {args['interval_function']}")
+    logging.info("Interval function: {args['interval_function']}")
     if args["interval_function"] in ["threshold", "edges", "file-edges"]:
-        logging.info(f"Lower threshold: {args['bottom_threshold']}")
+        logging.info("Lower threshold: {args['bottom_threshold']}")
     if args["interval_function"] == "threshold":
-        logging.info(f"Upper threshold: {args['upper_threshold']}")
+        logging.info("Upper threshold: {args['upper_threshold']}")
     if args["interval_function"] in ["random", "waves"]:
-        logging.info(f"Characteristic length: {args['clength']}")
-    logging.info(f"Randomness: {args['randomness']}%")
+        logging.info("Characteristic length: {args['clength']}")
+    logging.info("Randomness: {args['randomness']}%")
     # Actual validation
     if not args["output_image_path"]:
-        output = f"{util.id_generator()}.png"
+        output = "{util.id_generator()}.png"
         logging.warning(
-            f"No output path provided, defaulting to {output}")
+            "No output path provided, defaulting to {output}")
         args["output_image_path"] = output
     args["interval_function"] = read_interval_function(
         args["interval_function"])
diff --git a/pixelsort.py b/pixelsort.py
index 6c403ef..162f015 100644
--- a/pixelsort.py
+++ b/pixelsort.py
@@ -25,8 +25,7 @@ def main(args):
     data = input_img.load()
 
     logging.debug("Loading mask...")
-    mask = Image.open(args["mask"]).convert(
-        'RGBA').load() if args["mask"] else None
+    mask = Image.open(args["mask"]).convert('RGBA').rotate(args["angle"], expand=True).load() if args["mask"] else None
 
     logging.debug("Getting pixels...")
     pixels = get_pixels(data, mask, input_img.size)