diff --git a/cmps_hevc_crf18.py b/cmps_hevc_crf18.py
index ce39900..ade7d4e 100644
--- a/cmps_hevc_crf18.py
+++ b/cmps_hevc_crf18.py
@@ -60,12 +60,32 @@ def set_progress(line: str, dur, pbar):
         return
 
 
+def shorten_name(filename: str, flag: int = 1):
+    stem, ext = filename.rsplit('.', 1) if '.' in filename else (filename, '')
+    stem = stem.replace(' ', '').upper()
+    ext = ext[:3].upper()
+    bstem = stem.encode(errors='ignore')
+    for i in range(8, 0, -1):
+        try:
+            cut = bstem[:i].decode()
+            if cut != stem:
+                cut += f'~{flag}'
+            stem = cut
+            break
+        except UnicodeDecodeError:
+            continue
+    return f'{stem}.{ext}' if ext else stem
+
+
 def start_ffmpeg(infile: Path, outfile: Path):
     cmd = [
-        "ffmpeg", "-y", "-i", str(infile),
+        "ffmpeg", "-y", "-i", shorten_name(infile.name),
         "-progress", "pipe:1", "-nostats", "-loglevel", "error",
-        *COMPRESS_OPTIONS, str(outfile)
+        *COMPRESS_OPTIONS, shorten_name(outfile.name, flag=2)
     ]
+    logger.debug(f"Command: {' '.join(cmd)}")
+    cmd[3] = str(infile)
+    cmd[-1] = str(outfile)
     return subprocess.Popen(
         cmd,
         stdout=subprocess.PIPE,
@@ -89,9 +109,8 @@ def clean_on_failure(proc: subprocess.Popen, outfile: Path):
 def hevc_encode(infile: Path, outfile: Path, progress: bool = True):
     dur = get_duration(infile)
     logger.debug(f"Duration: {dur:.2f} seconds")
-    proc = start_ffmpeg(infile, outfile)
-    logger.debug(f"Command: {proc.args}")
 
+    proc = start_ffmpeg(infile, outfile)
     pbar = get_progress_bar(
         total=dur, unit='s',
         bar_format='{l_bar}{bar}| {n:.2f}/{total:.2f}({unit})'
@@ -109,10 +128,8 @@ def hevc_encode(infile: Path, outfile: Path, progress: bool = True):
     except (
         KeyboardInterrupt,
         subprocess.CalledProcessError
-    ) as e:
-        logger.error(
-            f"Encoding failed with code {proc.returncode}:"
-            f" {e.__class__.__name__}")
+    ):
+        # Issue: maybe also interrupted by CtrlC
         clean_on_failure(proc, outfile)
         raise
     finally: