diff --git a/PHI-CL/changelog.txt b/PHI-CL/changelog.txt
index de1d1bd..33bf6aa 100644
--- a/PHI-CL/changelog.txt
+++ b/PHI-CL/changelog.txt
@@ -1,3 +1,10 @@
+---------------------------------------------------------------------------------------------------
+Version: 3.1.15
+Date: 2026-11-08
+
+  Changes:
+    - [GM] Disabled the non-stack inserter being able to stack in VP.
+
 ---------------------------------------------------------------------------------------------------
 Version: 3.1.14
 Date: 2026-11-08
diff --git a/PHI-CL/data/b/gm-vp.lua b/PHI-CL/data/b/gm-vp.lua
index 957dc35..44db10b 100644
--- a/PHI-CL/data/b/gm-vp.lua
+++ b/PHI-CL/data/b/gm-vp.lua
@@ -32,14 +32,10 @@ end
 -- GM-VP C 1 BASE UTILITY_CONSTANTS
 data.raw['utility-constants'].default.default_pipeline_extent = math.max(settings.startup['PHI-MI-PIPE-EXTENT'].value, 960)
 
--- GM-VP C 5 BASE ENTITY
 -- GM-VP C 1 SPACE_AGE ENTITY
-local bss = (data.raw['inserter']['stack-inserter'] and data.raw['inserter']['stack-inserter'].max_belt_stack_size) or 1
-
-for _, v in pairs(data.raw['inserter']) do
-    v.max_belt_stack_size = bss
-    v.grab_less_to_match_belt_stack = true
-    v.enter_drop_mode_if_held_stack_spoiled = true
+if data.raw['inserter']['stack-inserter'] then
+    data.raw['inserter']['stack-inserter'].grab_less_to_match_belt_stack = true
+    data.raw['inserter']['stack-inserter'].enter_drop_mode_if_held_stack_spoiled = true
 end
 
 -- GM-VP C 1 BASE TOOL
diff --git a/PHI-CL/settings.lua b/PHI-CL/settings.lua
index 4f588c9..0d9103e 100644
--- a/PHI-CL/settings.lua
+++ b/PHI-CL/settings.lua
@@ -153,7 +153,7 @@ data:extend({
   default_value = '',
   allowed_values = {'', 'SAP', 'VP'},
   localised_name = {'phi-cl.setting-category-color', 'GM', {'phi-cl.enable'}, {'mod-setting-name.PHI-GM'}},
-  localised_description = {'', {'phi-cl.setting-change-color', '[GM] [76] A20 C49 H7\n[SAP] [31] A3 C28\n[VP] [570] A16 C182 H372'}},
+  localised_description = {'', {'phi-cl.setting-change-color', '[GM] [76] A20 C49 H7\n[SAP] [31] A3 C28\n[VP] [565] A16 C177 H372'}},
   order = 'D00'
 },  {
   type = 'bool-setting',