diff --git a/ui/ui_screen.cpp b/ui/ui_screen.cpp
index f035057dd7..b6cef8d6af 100644
--- a/ui/ui_screen.cpp
+++ b/ui/ui_screen.cpp
@@ -305,10 +305,27 @@ void PopupSliderChoiceFloat::Draw(UIContext &dc) {
 	dc.DrawText(temp, bounds_.x2() - 12, bounds_.centerY(), 0xFFFFFFFF, ALIGN_RIGHT | ALIGN_VCENTER);
 }
 
+EventReturn SliderPopupScreen::OnDecrease(EventParams &params) {
+	sliderValue_--;
+	slider_->Clamp();
+	return EVENT_DONE;
+}
+
+EventReturn SliderPopupScreen::OnIncrease(EventParams &params) {
+	sliderValue_++;
+	slider_->Clamp();
+	return EVENT_DONE;
+}
+
 void SliderPopupScreen::CreatePopupContents(UI::ViewGroup *parent) {
 	using namespace UI;
 	sliderValue_ = *value_;
-	slider_ = parent->Add(new Slider(&sliderValue_, minValue_, maxValue_, new LinearLayoutParams(UI::Margins(10, 5))));
+	LinearLayout *lin = parent->Add(new LinearLayout(ORIENT_HORIZONTAL, new LinearLayoutParams(UI::Margins(10, 5))));
+	slider_ = new Slider(&sliderValue_, minValue_, maxValue_, new LinearLayoutParams(1.0f));
+	lin->Add(slider_);
+	lin->Add(new Button(" - "))->OnClick.Handle(this, &SliderPopupScreen::OnDecrease);
+	lin->Add(new Button(" + "))->OnClick.Handle(this, &SliderPopupScreen::OnIncrease);
+
 	UI::SetFocusedView(slider_);
 }
 
diff --git a/ui/ui_screen.h b/ui/ui_screen.h
index fa645ec734..c5626e6a30 100644
--- a/ui/ui_screen.h
+++ b/ui/ui_screen.h
@@ -120,6 +120,8 @@ public:
 	Event OnChange;
 
 private:
+	EventReturn OnDecrease(EventParams &params);
+	EventReturn OnIncrease(EventParams &params);
 	virtual void OnCompleted(DialogResult result);
 	Slider *slider_;
 	int *value_;
diff --git a/ui/view.h b/ui/view.h
index 723e00d1cd..be36fcb297 100644
--- a/ui/view.h
+++ b/ui/view.h
@@ -446,8 +446,10 @@ public:
 	virtual void Touch(const TouchInput &input);
 	virtual void GetContentDimensions(const UIContext &dc, float &w, float &h) const;
 	void SetShowPercent(bool s) { showPercent_ = s; }
-private:
+
+	// OK to call this from the outside after having modified *value_
 	void Clamp();
+private:
 	int *value_;
 	bool showPercent_;
 	int minValue_;
@@ -465,8 +467,9 @@ public:
 	virtual void Touch(const TouchInput &input);
 	virtual void GetContentDimensions(const UIContext &dc, float &w, float &h) const;
 
-private:
+	// OK to call this from the outside after having modified *value_
 	void Clamp();
+private:
 	float *value_;
 	float minValue_;
 	float maxValue_;