diff --git a/src/gui/sysConf.cpp b/src/gui/sysConf.cpp
index 5b2aa6582..40cc67a35 100644
--- a/src/gui/sysConf.cpp
+++ b/src/gui/sysConf.cpp
@@ -373,7 +373,7 @@ void FurnaceGUI::drawSysConf(int i) {
         updateWindowTitle();
       } rightClickable
       bool n163Multiplex=flags&128;
-      if (ImGui::Checkbox("Disable Multiplexed Output",&n163Multiplex)) {
+      if (ImGui::Checkbox("Disable hissing",&n163Multiplex)) {
         e->setSysFlags(i,(flags&(~128))|(n163Multiplex<<7),restart);
         updateWindowTitle();
       }