diff --git a/internal/worker/command_blender.go b/internal/worker/command_blender.go
index cac9f797..bc492be3 100644
--- a/internal/worker/command_blender.go
+++ b/internal/worker/command_blender.go
@@ -39,11 +39,11 @@ func (ce *CommandExecutor) cmdBlenderRender(ctx context.Context, logger zerolog.
 		return err
 	}
 
-	execCmd.Stderr = execCmd.Stdout // Redirect stderr to stdout.
 	outPipe, err := execCmd.StdoutPipe()
 	if err != nil {
 		return err
 	}
+	execCmd.Stderr = execCmd.Stdout // Redirect stderr to stdout.
 
 	if err := execCmd.Start(); err != nil {
 		logger.Error().Err(err).Msg("error starting CLI execution")
diff --git a/internal/worker/command_ffmpeg.go b/internal/worker/command_ffmpeg.go
index 1a6a1226..f0465660 100644
--- a/internal/worker/command_ffmpeg.go
+++ b/internal/worker/command_ffmpeg.go
@@ -38,11 +38,11 @@ func (ce *CommandExecutor) cmdFramesToVideo(ctx context.Context, logger zerolog.
 	}
 	defer cleanup()
 
-	execCmd.Stderr = execCmd.Stdout // Redirect stderr to stdout.
 	outPipe, err := execCmd.StdoutPipe()
 	if err != nil {
 		return err
 	}
+	execCmd.Stderr = execCmd.Stdout // Redirect stderr to stdout.
 
 	if err := execCmd.Start(); err != nil {
 		logger.Error().Err(err).Msg("error starting CLI execution")