diff --git a/src/add-ons/input_server/devices/keyboard/KeyboardInputDevice.cpp b/src/add-ons/input_server/devices/keyboard/KeyboardInputDevice.cpp
index c16560bcfa..749fdc7912 100644
--- a/src/add-ons/input_server/devices/keyboard/KeyboardInputDevice.cpp
+++ b/src/add-ons/input_server/devices/keyboard/KeyboardInputDevice.cpp
@@ -27,7 +27,7 @@
 
 
 #undef TRACE
-#define TRACE_KEYBOARD_DEVICE
+//#define TRACE_KEYBOARD_DEVICE
 #ifdef TRACE_KEYBOARD_DEVICE
 
 	class FunctionTracer {
@@ -497,7 +497,8 @@ KeyboardDevice::Start()
 
 	fActive = true;
 	resume_thread(fThread);
-	return B_OK;
+
+	return fFD >= 0 ? B_OK : B_ERROR;
 }
 
 void
diff --git a/src/add-ons/input_server/devices/mouse/MouseInputDevice.cpp b/src/add-ons/input_server/devices/mouse/MouseInputDevice.cpp
index cc2faefd57..fc04fdc3cd 100644
--- a/src/add-ons/input_server/devices/mouse/MouseInputDevice.cpp
+++ b/src/add-ons/input_server/devices/mouse/MouseInputDevice.cpp
@@ -210,7 +210,7 @@ MouseDevice::Start()
 		return status;
 	}
 
-	return B_OK;
+	return fDevice >= 0 ? B_OK : B_ERROR;
 }
 
 
diff --git a/src/add-ons/input_server/devices/touchpad/TouchpadInputDevice.cpp b/src/add-ons/input_server/devices/touchpad/TouchpadInputDevice.cpp
index b8ae6f9af3..031fdb4eba 100644
--- a/src/add-ons/input_server/devices/touchpad/TouchpadInputDevice.cpp
+++ b/src/add-ons/input_server/devices/touchpad/TouchpadInputDevice.cpp
@@ -180,7 +180,7 @@ TouchpadDevice::Start()
 		return status;
 	}
 
-	return B_OK;
+	return fDevice >= 0 ? B_OK : B_ERROR;
 }