diff --git a/src/libslic3r/GCode/GCodeProcessor.cpp b/src/libslic3r/GCode/GCodeProcessor.cpp
index e745c4861..39bf12cc0 100644
--- a/src/libslic3r/GCode/GCodeProcessor.cpp
+++ b/src/libslic3r/GCode/GCodeProcessor.cpp
@@ -730,6 +730,7 @@ void GCodeProcessor::UsedFilaments::increase_model_caches(double extruded_volume
 void GCodeProcessor::UsedFilaments::increase_wipe_tower_caches(double extruded_volume)
 {
     wipe_tower_cache += extruded_volume;
+    role_cache += extruded_volume;
 }
 
 void GCodeProcessor::UsedFilaments::process_color_change_cache()
diff --git a/src/slic3r/GUI/Tab.cpp b/src/slic3r/GUI/Tab.cpp
index c94d3ed96..5abed6ea2 100644
--- a/src/slic3r/GUI/Tab.cpp
+++ b/src/slic3r/GUI/Tab.cpp
@@ -2118,10 +2118,10 @@ void TabPrint::build()
         optgroup->append_single_option_line("brim_object_gap", "auto-brim#brim-object-gap");
 
         optgroup = page->new_optgroup(L("Prime tower"), L"param_tower");
-        optgroup->append_single_option_line("enable_prime_tower");
-        optgroup->append_single_option_line("prime_tower_width");
-        optgroup->append_single_option_line("prime_volume");
-        optgroup->append_single_option_line("prime_tower_brim_width");
+        optgroup->append_single_option_line("enable_prime_tower","parameter/prime-tower");
+        optgroup->append_single_option_line("prime_tower_width","parameter/prime-tower");
+        optgroup->append_single_option_line("prime_volume","parameter/prime-tower");
+        optgroup->append_single_option_line("prime_tower_brim_width","parameter/prime-tower");
 
         optgroup = page->new_optgroup(L("Flush options"), L"param_flush");
         optgroup->append_single_option_line("flush_into_infill", "reduce-wasting-during-filament-change#wipe-into-infill");