diff --git a/doc/xml/release.xml b/doc/xml/release.xml
index 9acd74ba8..6f877f1d1 100644
--- a/doc/xml/release.xml
+++ b/doc/xml/release.xml
@@ -29,6 +29,10 @@
                         <p>Add separate <cmd>archive-push-async</cmd> command.</p>
                     </release-item>
 
+                    <release-item>
+                        <p>Fix incorrect buffer size used in <code>cryptoHashOne()</code>.</p>
+                    </release-item>
+
                     <release-item>
                         <p>Add <id>CIFS</id> storage driver.</p>
                     </release-item>
diff --git a/src/common/crypto/hash.c b/src/common/crypto/hash.c
index f1abf97b3..2fd8f2ae5 100644
--- a/src/common/crypto/hash.c
+++ b/src/common/crypto/hash.c
@@ -278,7 +278,7 @@ cryptoHashOne(const String *type, Buffer *message)
     ASSERT(type != NULL);
     ASSERT(message != NULL);
 
-    FUNCTION_TEST_RETURN(cryptoHashOneC(type, bufPtr(message), bufSize(message)));
+    FUNCTION_TEST_RETURN(cryptoHashOneC(type, bufPtr(message), bufUsed(message)));
 }
 
 /***********************************************************************************************************************************