diff --git a/ipmid.C b/ipmid.C
index 0f4139c..6b45c5c 100644
--- a/ipmid.C
+++ b/ipmid.C
@@ -614,7 +614,7 @@
         fprintf(stderr, "Failed to create a method call: %s", strerror(-r));
     }
 
-    r = sd_bus_message_append(m, "v", "y", value);
+    r = sd_bus_message_append(m, "v", "i", value);
     if (r < 0) {
         fprintf(stderr, "Failed to create a input parameter: %s", strerror(-r));
     }
@@ -630,4 +630,4 @@
     sd_bus_message_unref(m);
 
     return 0;
-}
\ No newline at end of file
+}