diff --git a/changes/bug22916_027 b/changes/bug22916_027
new file mode 100644
index 0000000000..5cf99c7d15
--- /dev/null
+++ b/changes/bug22916_027
@@ -0,0 +1,3 @@
+  o Minor bugfixes (Compilation):
+    - Fix warnings when building with libscrypt and openssl scrypt support
+      on Clang. Fixes bug 22916; bugfix on 0.2.7.2-alpha.
diff --git a/src/test/test_crypto_slow.c b/src/test/test_crypto_slow.c
index 0d7d65ac73..0be58c9389 100644
--- a/src/test/test_crypto_slow.c
+++ b/src/test/test_crypto_slow.c
@@ -137,7 +137,8 @@ test_libscrypt_eq_openssl(void *arg)
   uint8_t buf1[64];
   uint8_t buf2[64];
 
-  uint64_t N, r, p;
+  uint64_t N;
+  uint32_t r, p;
   uint64_t maxmem = 0; // --> SCRYPT_MAX_MEM in OpenSSL.
 
   int libscrypt_retval, openssl_retval;