diff --git a/main/MOD_Const_PFT.F90 b/main/MOD_Const_PFT.F90
index 2f6a35bd..22248eef 100644
--- a/main/MOD_Const_PFT.F90
+++ b/main/MOD_Const_PFT.F90
@@ -375,7 +375,7 @@ MODULE MOD_Const_PFT
          , 57.0, 57.0, 57.0, 57.0, 57.0, 57.0, 57.0, 57.0&
          , 57.0, 57.0, 57.0, 57.0, 57.0, 57.0, 57.0  &
 #endif
-         /) * 1.e-6
+         /) * 0.3 * 1.e-6
 
    ! quantum efficiency
    REAL(r8), parameter :: effcon_p(0:N_PFT+N_CFT-1) &