diff --git a/src/shared/discover-image.c b/src/shared/discover-image.c
index e81f56a39a..348880cac8 100644
--- a/src/shared/discover-image.c
+++ b/src/shared/discover-image.c
@@ -654,7 +654,7 @@ int image_discover(
                         if (r < 0)
                                 return r;
 
-                        image = NULL;
+                        TAKE_PTR(image);
                 }
         }