diff --git a/Gems/LyShine/Code/Source/Animation/AnimTrack.h b/Gems/LyShine/Code/Source/Animation/AnimTrack.h
index 21a78ae6a1..df0ae3a805 100644
--- a/Gems/LyShine/Code/Source/Animation/AnimTrack.h
+++ b/Gems/LyShine/Code/Source/Animation/AnimTrack.h
@@ -221,7 +221,7 @@ protected:
     float m_lastTime;
     int m_flags;
 
-    constexpr unsigned int InvalidKey = 0x7FFFFFFF;
+    static constexpr unsigned int InvalidKey = 0x7FFFFFFF;
 
     UiAnimParamData m_componentParamData;