diff --git a/src/blackmisc/blackmiscfreefunctions.cpp b/src/blackmisc/blackmiscfreefunctions.cpp
index c940ec74c..50de5d380 100644
--- a/src/blackmisc/blackmiscfreefunctions.cpp
+++ b/src/blackmisc/blackmiscfreefunctions.cpp
@@ -321,6 +321,30 @@ uint BlackMisc::calculateHash(const QList<uint> &values, const char *className)
     return hash;
 }
 
+/*
+ * Add hash values
+ */
+uint BlackMisc::calculateHash(const QList<int> &values, const char *className)
+{
+    QList<uint> list;
+    uint s = 0;
+    foreach(int i, values)
+    {
+
+        if (i >= 0)
+        {
+            list.append(static_cast<uint>(i));
+        }
+        else
+        {
+            list.append(static_cast<uint>(i));
+            list.append(s++);
+        }
+    }
+    return calculateHash(list, className);
+}
+
+
 /*
  * Fix QVariant if it comes from DBus and contains QDBusArgument
  */
diff --git a/src/blackmisc/blackmiscfreefunctions.h b/src/blackmisc/blackmiscfreefunctions.h
index 808cdba20..ce1fc0827 100644
--- a/src/blackmisc/blackmiscfreefunctions.h
+++ b/src/blackmisc/blackmiscfreefunctions.h
@@ -141,6 +141,9 @@ namespace BlackMisc
      */
     uint calculateHash(const QList<uint> &values, const char *className);
 
+    //! Hash value, but with int list
+    uint calculateHash(const QList<int> &values, const char *className);
+
     //! Real heap size of an object
     size_t heapSizeOf(const QMetaType &type);