diff --git a/phys/module_fr_fire_phys.F b/phys/module_fr_fire_phys.F
index d02300fdc9..3f8708031e 100644
--- a/phys/module_fr_fire_phys.F
+++ b/phys/module_fr_fire_phys.F
@@ -709,7 +709,7 @@ subroutine read_namelist_fire(init_fuel_moisture)
     fmc_gc_initial_value(1)=fmc_1h
     fmc_gc_initial_value(2)=fmc_10h
     fmc_gc_initial_value(3)=fmc_100h
-    fmc_gc_initial_value(3)=fmc_1000h
+    fmc_gc_initial_value(4)=fmc_1000h
     fmc_gc_initial_value(5)=fmc_live
     !
     ! end initialization from scalars tied to a particular model with 5 fuel moisture classes