diff --git a/sp/src/game/client/c_env_projectedtexture.cpp b/sp/src/game/client/c_env_projectedtexture.cpp
index a74bb46e..7bd15a17 100644
--- a/sp/src/game/client/c_env_projectedtexture.cpp
+++ b/sp/src/game/client/c_env_projectedtexture.cpp
@@ -283,6 +283,8 @@ void C_EnvProjectedTexture::UpdateLight( void )
 
 				//			VectorNormalize( vRight );
 				//			VectorNormalize( vUp );
+
+				VectorVectors( vForward, vRight, vUp );
 			}
 		}
 		else