diff --git a/hyphae/hyphae.go b/hyphae/hyphae.go
index a8f5bb5..ebd810e 100644
--- a/hyphae/hyphae.go
+++ b/hyphae/hyphae.go
@@ -2,7 +2,9 @@
 package hyphae
 
 import (
+	"github.com/bouncepaw/mycorrhiza/files"
 	"log"
+	"path/filepath"
 	"regexp"
 	"sync"
 )
@@ -19,6 +21,14 @@ type Hypha struct {
 	BinaryPath string // == "" => no attachment
 }
 
+// TextPartPath returns rooted path to the file where the text part should be.
+func (h *Hypha) TextPartPath() string {
+	if h.TextPath == "" {
+		return filepath.Join(files.HyphaeDir(), h.Name+".myco")
+	}
+	return h.TextPath
+}
+
 var byNames = make(map[string]*Hypha)
 var byNamesMutex = sync.Mutex{}
 
diff --git a/web/readers.go b/web/readers.go
index ac22633..f1b797c 100644
--- a/web/readers.go
+++ b/web/readers.go
@@ -73,7 +73,7 @@ func handlerRevision(w http.ResponseWriter, rq *http.Request) {
 		hyphaName         = util.CanonicalName(shorterUrl[firstSlashIndex+1:])
 		h                 = hyphae.ByName(hyphaName)
 		contents          = fmt.Sprintf(`<p>This hypha had no text at this revision.</p>`)
-		textContents, err = history.FileAtRevision(h.TextPath, revHash)
+		textContents, err = history.FileAtRevision(h.TextPartPath(), revHash)
 		u                 = user.FromRequest(rq)
 	)
 	if err == nil {