diff --git a/src/shared/dissect-image.c b/src/shared/dissect-image.c
index aeaa1061fb..32fff8165b 100644
--- a/src/shared/dissect-image.c
+++ b/src/shared/dissect-image.c
@@ -2272,7 +2272,9 @@ int dissected_image_acquire_metadata(DissectedImage *m) {
         /* As per the os-release spec, if the image is an extension it will have a file
          * named after the image name in extension-release.d/ */
         if (m->image_name) {
-                char *ext = strjoina("/usr/lib/extension-release.d/extension-release.", m->image_name, "0");
+                char *ext;
+
+                ext = strjoina("/usr/lib/extension-release.d/extension-release.", m->image_name, "0");
                 ext[strlen(ext) - 1] = '\0'; /* Extra \0 for NULSTR_FOREACH using placeholder from above */
                 paths[META_EXTENSION_RELEASE] = ext;
         } else