diff --git a/src/libsodium/sodium/utils.c b/src/libsodium/sodium/utils.c
index 0ab8c044..0796e1fe 100644
--- a/src/libsodium/sodium/utils.c
+++ b/src/libsodium/sodium/utils.c
@@ -125,7 +125,7 @@ sodium_memcmp(const void *const b1_, const void *const b2_, size_t len)
         (const volatile unsigned char *volatile) b2_;
 #endif
     size_t                 i;
-    volatile unsigned char d = (unsigned char) 0U;
+    volatile unsigned char d = 0U;
 
 #if HAVE_WEAK_SYMBOLS
     _sodium_dummy_symbol_to_prevent_memcmp_lto(b1, b2, len);