diff --git a/internal/cli/app.go b/internal/cli/app.go
index 7a7e6f9..e7938b1 100644
--- a/internal/cli/app.go
+++ b/internal/cli/app.go
@@ -185,7 +185,7 @@ func pandocBinaryMustExist(c *cli.Context) error {
 	}
 
 	// pdflatex must also be present
-	cmd = exec.Command("pdflatex", "-v")
+	cmd = exec.Command("pdflatex", "--version")
 	outputRaw, err = cmd.Output()
 	if err != nil {
 		return errors.Wrap(err, "error calling pdflatex")
diff --git a/internal/render/html.go b/internal/render/html.go
index de961dc..170ec0e 100644
--- a/internal/render/html.go
+++ b/internal/render/html.go
@@ -82,7 +82,7 @@ func html(output string, live bool, errCh chan error, wg *sync.WaitGroup) {
 		if live {
 			if !opened {
 				opened = true
-				open.Run("output/index.html")
+				open.Run(filepath.Join(".", "output", "index.html"))
 			}
 		} else {
 			wg.Done()