diff --git a/src/game/ToolButton.cpp b/src/game/ToolButton.cpp
index 3021b4017..aa31b3de2 100644
--- a/src/game/ToolButton.cpp
+++ b/src/game/ToolButton.cpp
@@ -20,7 +20,7 @@ void ToolButton::OnMouseClick(int x, int y, unsigned int button)
     isButtonDown = true;
 }
 
-void ToolButton::OnMouseUp(int x, int y, unsigned int button)
+void ToolButton::OnMouseUnclick(int x, int y, unsigned int button)
 {
 	if(isButtonDown)
 	{
diff --git a/src/game/ToolButton.h b/src/game/ToolButton.h
index db0cfac0c..b311d0b92 100644
--- a/src/game/ToolButton.h
+++ b/src/game/ToolButton.h
@@ -14,7 +14,7 @@ class ToolButton: public ui::Button {
 	int currentSelection;
 public:
 	ToolButton(ui::Point position, ui::Point size, std::string text_, std::string toolTip = "");
-	virtual void OnMouseUp(int x, int y, unsigned int button);
+	virtual void OnMouseUnclick(int x, int y, unsigned int button);
 	virtual void OnMouseClick(int x, int y, unsigned int button);
 	virtual void Draw(const ui::Point& screenPos);
 	void SetSelectionState(int state);