diff --git a/Gems/Terrain/Assets/Shaders/Terrain/TerrainCommon.azsli b/Gems/Terrain/Assets/Shaders/Terrain/TerrainCommon.azsli
index cd680f721a..52d0e0a6cc 100644
--- a/Gems/Terrain/Assets/Shaders/Terrain/TerrainCommon.azsli
+++ b/Gems/Terrain/Assets/Shaders/Terrain/TerrainCommon.azsli
@@ -56,6 +56,7 @@ ShaderResourceGroup ObjectSrg : SRG_PerObject
         float m_padding;
         bool m_useReflectionProbe;
         bool m_useParallaxCorrection;
+        float m_exposure;
     };
 
     ReflectionProbeData m_reflectionProbeData;