diff --git a/casper_library/fir_dbl_col_init.m b/casper_library/fir_dbl_col_init.m
index 6c0e8c46e..dafeceb18 100644
--- a/casper_library/fir_dbl_col_init.m
+++ b/casper_library/fir_dbl_col_init.m
@@ -101,10 +101,10 @@ function fir_dbl_col_init(blk,varargin)
 if n_inputs > 1,
     reuse_block(blk, 'adder_tree1', 'casper_library_misc/adder_tree', ...
         'Position', [500 100 550 100+20*n_inputs], 'n_inputs', num2str(n_inputs),...
-        'latency', num2str(add_latency), 'first_stage_hdl', first_stage_hdl, 'adder_imp', adder_imp);
+        'csp_latency', num2str(add_latency), 'first_stage_hdl', first_stage_hdl, 'adder_imp', adder_imp);
     reuse_block(blk, 'adder_tree2', 'casper_library_misc/adder_tree', ...
         'Position', [500 200+20*n_inputs 550 200+20*n_inputs+20*n_inputs], 'n_inputs', num2str(n_inputs),...
-        'latency', num2str(add_latency), 'first_stage_hdl', first_stage_hdl, 'adder_imp', adder_imp);
+        'csp_latency', num2str(add_latency), 'first_stage_hdl', first_stage_hdl, 'adder_imp', adder_imp);
     reuse_block(blk, 'c1', 'xbsIndex_r4/Constant', ...
         'explicit_period', 'on', 'Position', [450 100 480 110]);
     reuse_block(blk, 'c2', 'xbsIndex_r4/Constant', ...
@@ -144,3 +144,4 @@ function fir_dbl_col_init(blk,varargin)
 save_state(blk, 'defaults', defaults, varargin{:});
 
 clog('exiting fir_dbl_col_init', 'trace');
+