diff --git a/internal/osbuild/mount.go b/internal/osbuild/mount.go
index 3aed31db1..8b5f7fcca 100644
--- a/internal/osbuild/mount.go
+++ b/internal/osbuild/mount.go
@@ -3,11 +3,11 @@ package osbuild
 type Mounts []Mount
 
 type Mount struct {
-	Name    string        `json:"name"`
-	Type    string        `json:"type"`
-	Source  string        `json:"source"`
-	Target  string        `json:"target"`
-	Options *MountOptions `json:"options,omitempty"`
+	Name    string       `json:"name"`
+	Type    string       `json:"type"`
+	Source  string       `json:"source,omitempty"`
+	Target  string       `json:"target,omitempty"`
+	Options MountOptions `json:"options,omitempty"`
 }
 
 type MountOptions interface {