diff --git a/pkg/gui/commit_files_panel.go b/pkg/gui/commit_files_panel.go
index 7feda9628..e8c20e0e7 100644
--- a/pkg/gui/commit_files_panel.go
+++ b/pkg/gui/commit_files_panel.go
@@ -99,3 +99,8 @@ func (gui *Gui) refreshCommitFilesView() error {
 
 	return gui.handleCommitFileSelect(gui.g, gui.getCommitFilesView())
 }
+
+func (gui *Gui) handleOpenOldCommitFile(g *gocui.Gui, v *gocui.View) error {
+	file := gui.getSelectedCommitFile(g)
+	return gui.openFile(file.Name)
+}
diff --git a/pkg/gui/keybindings.go b/pkg/gui/keybindings.go
index d06280ef0..ae8858124 100644
--- a/pkg/gui/keybindings.go
+++ b/pkg/gui/keybindings.go
@@ -466,6 +466,13 @@ func (gui *Gui) GetInitialKeybindings() []*Binding {
 			Handler:     gui.handleDiscardOldFileChange,
 			Description: gui.Tr.SLocalize("discardOldFileChange"),
 		},
+		{
+			ViewName:    "commitFiles",
+			Key:         'o',
+			Modifier:    gocui.ModNone,
+			Handler:     gui.handleOpenOldCommitFile,
+			Description: gui.Tr.SLocalize("openFile"),
+		},
 	}
 
 	for _, viewName := range []string{"status", "branches", "files", "commits", "commitFiles", "stash", "menu"} {