diff --git a/lxd/storage/interfaces.go b/lxd/storage/interfaces.go
index 49a4ea02ce..d8853c0096 100644
--- a/lxd/storage/interfaces.go
+++ b/lxd/storage/interfaces.go
@@ -67,7 +67,7 @@ type Pool interface {
 	UnmountInstanceSnapshot(i Instance) (bool, error)
 
 	// Images.
-	CreateImage(img api.Image, op *operations.Operation) error
+	CreateImage(fingerprint string, op *operations.Operation) error
 	DeleteImage(fingerprint string, op *operations.Operation) error
 
 	// Custom volumes.