1 files changed, 1 insertions, 1 deletions
diff --git a/Source/WebCore/accessibility/AccessibilitySlider.h b/Source/WebCore/accessibility/AccessibilitySlider.h
index 81fe918d7..94c431625 100644
--- a/Source/WebCore/accessibility/AccessibilitySlider.h
+++ b/Source/WebCore/accessibility/AccessibilitySlider.h
@@ -43,7 +43,7 @@ public:
     virtual ~AccessibilitySlider() { }
 
 protected:
-    AccessibilitySlider(RenderObject*);
+    explicit AccessibilitySlider(RenderObject*);
 
 private:
     HTMLInputElement* element() const;