diff --git a/Changelog b/Changelog
index baf60f5..fe5b796 100644
--- a/Changelog
+++ b/Changelog
@@ -1,3 +1,6 @@
+2026-08-18:
+- fixed: printf with one missing parameter
+
 2024-08-07:
 - changed: logging screen is now working.
 
diff --git a/client.cc b/client.cc
index 5ce291b..4852f99 100644
--- a/client.cc
+++ b/client.cc
@@ -206,11 +206,11 @@ gboolean mbcli_thread_cb_modbusdata(gpointer data) {
 				memcpy (((char*)&f2) + 2, &res->data[i], 2);
 				memcpy (((char*)&f2) + 0, &res->data[i+1], 2);
 
-				snprintf (tmp, 255, "   |  %6d |  %6d | %11.5g | %11.5g", res->data[i], (int16_t) res->data[i], f1, f2);
+				snprintf (tmp, 255, "   |  %6d |  %6d | %11.5g | %11.5g", res->data[i], (uint16_t) res->data[i], f1, f2);
 				text = text + tmp;
 			}
 			else {
-				snprintf (tmp, 255, "   |  %6d |  %6d |             |              ", res->data[i]);
+				snprintf (tmp, 255, "   |  %6d |  %6d |             |              ", res->data[i], (uint16_t) res->data[i]);
 				text = text + tmp;
 			}