diff --git a/roop/core.py b/roop/core.py
index 1621210..c2db1cf 100755
--- a/roop/core.py
+++ b/roop/core.py
@@ -187,7 +187,7 @@ def start() -> None:
         torch.cuda.empty_cache()
     if roop.globals.keep_fps:
         update_status('Detecting fps...')
-        fps = detect_fps(roop.globals.source_path)
+        fps = detect_fps(roop.globals.target_path)
         update_status(f'Creating video with {fps} fps...')
         create_video(roop.globals.target_path, fps)
     else:
diff --git a/roop/utilities.py b/roop/utilities.py
index ce55969..68d508a 100644
--- a/roop/utilities.py
+++ b/roop/utilities.py
@@ -22,8 +22,8 @@ def run_ffmpeg(args: List) -> None:
         pass
 
 
-def detect_fps(source_path: str) -> int:
-    command = ['ffprobe', '-v', 'error', '-select_streams', 'v:0', '-show_entries', 'stream=r_frame_rate', '-of', 'default=noprint_wrappers=1:nokey=1', source_path]
+def detect_fps(target_path: str) -> int:
+    command = ['ffprobe', '-v', 'error', '-select_streams', 'v:0', '-show_entries', 'stream=r_frame_rate', '-of', 'default=noprint_wrappers=1:nokey=1', target_path]
     output = subprocess.check_output(command).decode().strip()
     try:
         return int(eval(output))