diff --git a/modules/14_yields/dynamic_aug18/preloop.gms b/modules/14_yields/dynamic_aug18/preloop.gms
index 3179776535..b98712e6a4 100644
--- a/modules/14_yields/dynamic_aug18/preloop.gms
+++ b/modules/14_yields/dynamic_aug18/preloop.gms
@@ -7,8 +7,8 @@
 i14_yields(t,j,kve,w) = f14_yields(t,j,kve,w);
 
 ***YIELD CORRECTION FOR 2ND GENERATION BIOENERGY CROPS*************************************
-i14_yields(t,j,"begr",w) = i14_yields(t,j,"begr",w)*sum(cell(i,j),fm_tau1995(i))/fm_tau1995("EUR");
-i14_yields(t,j,"betr",w) = i14_yields(t,j,"betr",w)*sum(cell(i,j),fm_tau1995(i))/fm_tau1995("EUR");
+i14_yields(t,j,"begr",w) = i14_yields(t,j,"begr",w)*sum(cell(i,j),fm_tau1995(i))/smax(i,fm_tau1995(i));
+i14_yields(t,j,"betr",w) = i14_yields(t,j,"betr",w)*sum(cell(i,j),fm_tau1995(i))/smax(i,fm_tau1995(i));
 
 ***YIELD CORRECTION FOR PASTURE ACCOUNTING FOR REGIONAL DIFFERENCES IN MANAGEMENT***
 p14_pyield_LPJ_reg(t,i) = (sum(cell(i,j),i14_yields(t,j,"pasture","rainfed")*pm_land_start(j,"past"))/sum(cell(i,j),pm_land_start(j,"past")) );
diff --git a/modules/32_forestry/affore_vegc_dec16/presolve.gms b/modules/32_forestry/affore_vegc_dec16/presolve.gms
index c902363c7b..8bdfe6b1b4 100644
--- a/modules/32_forestry/affore_vegc_dec16/presolve.gms
+++ b/modules/32_forestry/affore_vegc_dec16/presolve.gms
@@ -5,7 +5,7 @@
 *** |  Contact: magpie@pik-potsdam.de
 
 * Limit demand for prescribed NPI/NDC afforestation in `p32_aff_pol` if not enough suitable area (`p32_aff_pot`) for afforestation is available.
-	p32_aff_pot(t,j) = pcm_land(j,"crop") + pcm_land(j,"past");
+	p32_aff_pot(t,j) = (vm_land.l(j,"crop") - vm_land.lo(j,"crop")) + (vm_land.l(j,"past") - vm_land.lo(j,"past"));
 	if((ord(t) > 1),
 		p32_aff_pol(t,j)$(p32_aff_pol(t,j) - p32_aff_pol(t-1,j) > p32_aff_pot(t,j)) = p32_aff_pol(t-1,j) + p32_aff_pot(t,j);
 	);