diff --git a/lua/weapons/arc9_base/sh_0_stats.lua b/lua/weapons/arc9_base/sh_0_stats.lua
index 373f93e9..8cf9414b 100644
--- a/lua/weapons/arc9_base/sh_0_stats.lua
+++ b/lua/weapons/arc9_base/sh_0_stats.lua
@@ -192,7 +192,10 @@ do
                 any = true
             end
 
-            data = hook.Run("ARC9_" .. val, self, data) or data
+            data2 = hook.Run("ARC9_" .. val, self, data)
+            if data2 ~= nil then
+                data = data2
+            end
 
             return data, any
         end
@@ -229,7 +232,10 @@ do
         end
 
         self.HookCache[val] = newCache
-        data = hook.Run("ARC9_" .. val, self, data) or data
+        data2 = hook.Run("ARC9_" .. val, self, data)
+        if data2 ~= nil then
+            data = data2
+        end
 
         return data, any
     end
diff --git a/lua/weapons/arc9_base/sh_attach.lua b/lua/weapons/arc9_base/sh_attach.lua
index cf967d9f..a1ab4a80 100644
--- a/lua/weapons/arc9_base/sh_attach.lua
+++ b/lua/weapons/arc9_base/sh_attach.lua
@@ -602,6 +602,8 @@ function SWEP:CanDetach(addr)
 
     if slottbl and slottbl.Integral then return false end
 
+    if self:RunHook("Hook_CanDetachAttachment", {addr = addr, slottbl = slottbl}) == false then return false end
+
     return true
 end