diff --git a/common/src/main/java/ctbrec/recorder/download/hls/MergedHlsDownload.java b/common/src/main/java/ctbrec/recorder/download/hls/MergedHlsDownload.java
index b708fe00..8257d60b 100644
--- a/common/src/main/java/ctbrec/recorder/download/hls/MergedHlsDownload.java
+++ b/common/src/main/java/ctbrec/recorder/download/hls/MergedHlsDownload.java
@@ -78,7 +78,7 @@ public class MergedHlsDownload extends HlsDownload {
                     );
             // @formatter:on
             LOG.debug("Command line: {}", Arrays.toString(cmdline));
-            Process ffmpeg = Runtime.getRuntime().exec(cmdline);
+            Process ffmpeg = Runtime.getRuntime().exec(cmdline, new String[0], playlist.getParentFile());
             new Thread(new StreamRedirectThread(ffmpeg.getInputStream(), System.out)).start(); // NOSONAR
             new Thread(new StreamRedirectThread(ffmpeg.getErrorStream(), System.err)).start(); // NOSONAR
             int exitCode = ffmpeg.waitFor();