--- xfce4-sensors-plugin-1.2.3.orig/lib/sensors-interface-common.c
+++ xfce4-sensors-plugin-1.2.3/lib/sensors-interface-common.c
@@ -101,7 +101,7 @@ sensors_init_default_values  (t_sensors
     sensors->show_labels = TRUE;
     sensors->display_values_type = DISPLAY_TEXT;
     sensors->bars_created = FALSE;
-    sensors->font_size = "medium";
+    sensors->font_size = g_strdup("medium");
     sensors->font_size_numerical = 2;
     sensors->lines_size = 3;
 
--- xfce4-sensors-plugin-1.2.3.orig/lib/configuration.c
+++ xfce4-sensors-plugin-1.2.3/lib/configuration.c
@@ -210,6 +210,7 @@ sensors_read_general_config (XfceRc *rc,
         sensors->scale = xfce_rc_read_int_entry (rc, "Scale", 0);
 
         if ((value = xfce_rc_read_entry (rc, "Font_Size", NULL)) && *value) {
+            g_free(sensors->font_size);
             sensors->font_size = g_strdup(value);
         }
         
--- xfce4-sensors-plugin-1.2.3.orig/panel-plugin/sensors-plugin.c
+++ xfce4-sensors-plugin-1.2.3/panel-plugin/sensors-plugin.c
@@ -1279,13 +1279,14 @@ font_size_change (GtkWidget *widget, t_s
     int rows;
     TRACE ("enters font_size_change");
 
+    g_free(sd->sensors->font_size);
     switch ( gtk_combo_box_get_active(GTK_COMBO_BOX(widget)) ) {
 
-        case 0: sd->sensors->font_size = "x-small"; break;
-        case 1: sd->sensors->font_size = "small"; break;
-        case 3: sd->sensors->font_size = "large"; break;
-        case 4: sd->sensors->font_size = "x-large"; break;
-        default: sd->sensors->font_size = "medium";
+        case 0: sd->sensors->font_size = g_strdup("x-small"); break;
+        case 1: sd->sensors->font_size = g_strdup("small"); break;
+        case 3: sd->sensors->font_size = g_strdup("large"); break;
+        case 4: sd->sensors->font_size = g_strdup("x-large"); break;
+        default: sd->sensors->font_size = g_strdup("medium");
     }
 
     sd->sensors->font_size_numerical =