diff --git a/auto-boost_2.5.py b/auto-boost_2.5.py
index 7fa550e..427c3ee 100755
--- a/auto-boost_2.5.py
+++ b/auto-boost_2.5.py
@@ -87,11 +87,10 @@ def fast_pass(
     :type workers: int
     """
 
-    if IS_WINDOWS:
-        # Enclose paths in quotes if they contain spaces
-        input_file = f'"{input_file}"' if ' ' in input_file else input_file
-        output_file = f'"{output_file}"' if ' ' in output_file else output_file
-        tmp_dir = f'"{tmp_dir}"' if ' ' in tmp_dir else tmp_dir
+    # Enclose paths in quotes if they contain spaces
+    input_file = f'"{input_file}"' if ' ' in input_file else input_file
+    output_file = f'"{output_file}"' if ' ' in output_file else output_file
+    tmp_dir = f'"{tmp_dir}"' if ' ' in tmp_dir else tmp_dir
 
     fast_av1an_command = [
         'av1an',
@@ -496,4 +495,4 @@ match stage:
         calculate_zones(tmp_dir, ranges, zones, crf)
     case _:
         print(f"Stage argument invalid, exiting.")
-        exit(-2)
\ No newline at end of file
+        exit(-2)