diff --git a/common.eai b/common.eai
index ab9f08c5a..8dbda028b 100644
--- a/common.eai
+++ b/common.eai
@@ -11935,9 +11935,9 @@ function FormGroupAM takes integer seconds returns nothing
     set desire = attack_max[index]
     set count  = TownCountDone(unitid)
 
-    if wood > minimum_peon_wood then
+    if GetWood() > minimum_peon_wood then
       set take_all_ghouls_along = true
-    elseif wood < minimum_peon_wood then
+    elseif GetWood() < minimum_peon_wood then
       set take_all_ghouls_along = false
     endif