diff --git a/compiler/file_discovery.go b/compiler/file_discovery.go
index 474b2ac..bc42582 100644
--- a/compiler/file_discovery.go
+++ b/compiler/file_discovery.go
@@ -17,6 +17,7 @@ package compiler
 import (
 	"os"
 	"path/filepath"
+	"strings"
 
 	log "github.com/Sirupsen/logrus"
 	"github.com/jjdekker/ponder/helpers"
@@ -60,3 +61,14 @@ func compilePath(root string, opts *settings.Settings,
 		return nil
 	}
 }
+
+// outputPath returns the path that the compiled file will take
+func outputPath(source string, opts *settings.Settings) string {
+	file := filepath.Base(source)
+	dot := strings.LastIndex(file, ".")
+	if dot == -1 {
+		log.WithFields(log.Fields{"path": source}).Error("Unable to compute output path")
+	}
+	file = file[:dot] + "pdf"
+	return filepath.Join(opts.OutputDir, file)
+}