diff --git a/data/themes/default.edc b/data/themes/default.edc
index aef4c286c..b443e7f39 100644
--- a/data/themes/default.edc
+++ b/data/themes/default.edc
@@ -5596,15 +5596,15 @@ collections {
       }
       programs {
 	 program {
-	    name: "on";
-	    signal: "enable";
+	    name: "known";
+	    signal: "known";
 	    source: "";
 	    action: STATE_SET "default" 0.0;
 	    target: "fade_clip";
 	 }
 	 program {
-	    name: "off";
-	    signal: "disable";
+	    name: "unknown";
+	    signal: "unknown";
 	    source: "";
 	    action: STATE_SET "faded" 0.0;
 	    target: "fade_clip";
diff --git a/src/modules/temperature/e_mod_main.c b/src/modules/temperature/e_mod_main.c
index 1f423d77b..7b3afba4d 100644
--- a/src/modules/temperature/e_mod_main.c
+++ b/src/modules/temperature/e_mod_main.c
@@ -602,6 +602,8 @@ _temperature_face_init(Temperature_Face *ef)
    edje_object_size_min_calc(ef->temp_object, &bw, &bh);
    ef->minsize = bh;
    ef->minsize = bw;
+   
+   ef->have_temp = -1;
 
    _temperature_face_reconfigure(ef);
    
@@ -747,10 +749,22 @@ _temperature_cb_check(void *data)
    therms = e_file_ls("/proc/acpi/thermal_zone");
    if (!therms)
      {
-	/* disable therm object */
+	if (ef->have_temp != 0)
+	  {
+	     /* disable therm object */
+	     edje_object_signal_emit(ef->temp_object, "unknown", "");
+	     edje_object_part_text_set(ef->temp_object, "reading", "NO TEMP");
+	     ef->have_temp = 0;
+	  }
      }
    else
      {
+	if (ef->have_temp != 1)
+	  {
+	     /* disable therm object */
+	     edje_object_signal_emit(ef->temp_object, "known", "");
+	     ef->have_temp = 1;
+	  }
 	while (therms)
 	  {
 	     char buf[4096], units[32];
diff --git a/src/modules/temperature/e_mod_main.h b/src/modules/temperature/e_mod_main.h
index 0df1c4c0c..85c818845 100644
--- a/src/modules/temperature/e_mod_main.h
+++ b/src/modules/temperature/e_mod_main.h
@@ -41,6 +41,8 @@ struct _Temperature_Face
    Evas_Coord      xx, yy;
    Evas_Coord      fx, fy, fw;
    
+   int             have_temp;
+   
    Ecore_Timer         *temperature_check_timer;
    
    Ecore_Event_Handler *ev_handler_container_resize;