diff --git a/.gitignore b/.gitignore
index 780f20e4..1aed517d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 .cache
 .eggs
+.idea/
 .tox/
 dist/
 ffmpeg/tests/sample_data/out*.mp4
diff --git a/ffmpeg/_run.py b/ffmpeg/_run.py
index f42d1d73..1fb3e6c8 100644
--- a/ffmpeg/_run.py
+++ b/ffmpeg/_run.py
@@ -189,7 +189,7 @@ def compile(stream_spec, cmd='ffmpeg', overwrite_output=False):
         cmd = [cmd]
     elif type(cmd) != list:
         cmd = list(cmd)
-    return cmd + get_args(stream_spec, overwrite_output=overwrite_output)
+    return cmd + list(filter(lambda x: x != '', get_args(stream_spec, overwrite_output=overwrite_output)))
 
 
 @output_operator()