diff --git a/lib/misc.c b/lib/misc.c
index 1f486f3..1015ce4 100644
--- a/lib/misc.c
+++ b/lib/misc.c
@@ -87,7 +87,6 @@ zip_in_protected_header(json_t *json)
 {
     json_t *prt = NULL;
     char *z = NULL;
-    const jose_hook_alg_t *a = NULL;
 
     prt = json_object_get(json, "protected");
     if (prt && json_is_string(prt))
@@ -98,8 +97,7 @@ zip_in_protected_header(json_t *json)
         return false;
 
     /* We have "zip", but let's validate the alg also. */
-    a = jose_hook_alg_find(JOSE_HOOK_ALG_KIND_COMP, z);
-    return a != NULL;
+    return jose_hook_alg_find(JOSE_HOOK_ALG_KIND_COMP, z) != NULL;
 }
 
 static void __attribute__((constructor))