diff --git a/src/ui.cpp b/src/ui.cpp
index 39dc6a6..9003bb5 100644
--- a/src/ui.cpp
+++ b/src/ui.cpp
@@ -277,6 +277,13 @@ bool UI::Run(Jack &j)
 				}
 			}
 			break;
+
+		case UIKEY_DISCONNECT:
+			if (j.Connected()) {
+				j.Disconnect();
+				snprintf(status, sizeof status, "Disconnected from JACK");
+			}
+			break;
 	}
 
 	return false;
diff --git a/src/ui.h b/src/ui.h
index 4d8519f..b18fa4c 100644
--- a/src/ui.h
+++ b/src/ui.h
@@ -42,5 +42,6 @@ public:
 #define UIKEY_TEMPO 't'
 #define UIKEY_SAVE 'S'
 #define UIKEY_RECONNECT 18
+#define UIKEY_DISCONNECT 4
 
 #endif /* UI_H */