diff --git a/src/ui/CSimpleSlider.cpp b/src/ui/CSimpleSlider.cpp
index 1dd3e12..14d53ac 100644
--- a/src/ui/CSimpleSlider.cpp
+++ b/src/ui/CSimpleSlider.cpp
@@ -6,6 +6,7 @@
 #include "util/Lua.hpp"
 #include "util/StringTo.hpp"
 #include <common/XML.hpp>
+#include <tempest/Math.hpp>
 
 int32_t CSimpleSlider::s_metatable;
 int32_t CSimpleSlider::s_objectType;
@@ -80,6 +81,31 @@ void CSimpleSlider::LoadXML(XMLNode* node, CStatus* status) {
     // TODO
 }
 
+void CSimpleSlider::OnLayerUpdate(float elapsedSec) {
+    this->CSimpleFrame::OnLayerUpdate(elapsedSec);
+
+    if (this->m_changed && this->m_thumbTexture && this->m_rangeSet && this->m_valueSet) {
+        auto valueRange = this->m_range + this->m_baseValue - this->m_baseValue;
+        auto valueOffset = CMath::fequal(valueRange, 0.0f)
+            ? 0.0f
+            : (this->m_value - this->m_baseValue) / valueRange;
+
+        if (this->m_orientation == SLIDER_VERTICAL) {
+            auto rangeY = (this->m_rect.maxY - this->m_rect.minY) / this->m_layoutScale;
+            auto offsetY = -((rangeY - this->m_thumbTexture->GetHeight()) * valueOffset);
+
+            this->m_thumbTexture->SetPoint(FRAMEPOINT_TOP, this, FRAMEPOINT_TOP, 0.0f, offsetY, 1);
+        } else {
+            auto rangeX = (this->m_rect.maxX - this->m_rect.minX) / this->m_layoutScale;
+            auto offsetX = (rangeX - this->m_thumbTexture->GetWidth()) * valueOffset;
+
+            this->m_thumbTexture->SetPoint(FRAMEPOINT_LEFT, this, FRAMEPOINT_LEFT, offsetX, 0.0f, 1);
+        }
+
+        this->m_changed = 0;
+    }
+}
+
 void CSimpleSlider::RunOnMinMaxChangedScript() {
     if (!this->m_onMinMaxChanged.luaRef) {
         return;
diff --git a/src/ui/CSimpleSlider.hpp b/src/ui/CSimpleSlider.hpp
index f5f3a4e..2dfd66f 100644
--- a/src/ui/CSimpleSlider.hpp
+++ b/src/ui/CSimpleSlider.hpp
@@ -33,6 +33,7 @@ class CSimpleSlider : public CSimpleFrame {
         virtual bool IsA(int32_t type);
         virtual int32_t GetScriptMetaTable();
         virtual void LoadXML(XMLNode* node, CStatus* status);
+        virtual void OnLayerUpdate(float elapsedSec);
 
         // Member functions
         CSimpleSlider(CSimpleFrame* parent)