diff --git a/scripts/example_configs/14_rv32e_merged_pipeline_only_aligned.sv b/scripts/example_configs/14_rv32e_merged_pipeline_only_aligned.sv
index ad3da890..b2139df3 100644
--- a/scripts/example_configs/14_rv32e_merged_pipeline_only_aligned.sv
+++ b/scripts/example_configs/14_rv32e_merged_pipeline_only_aligned.sv
@@ -124,6 +124,12 @@
 //`define NO_JUMP_ADDER
 `endif
 
+`ifdef MERGE_ID_EX
+// CONFIG: NO_JUMP_ADDER
+// will use ALU adder to calculate target and get return address from prefetcher
+`define NO_JUMP_ADDER
+`endif
+
 `endif
 `endif
 
diff --git a/scripts/example_configs/15_rv32e_merged_pipeline_only_aligned_no_jumpadder.sv b/scripts/example_configs/15_rv32e_merged_pipeline_only_aligned_no_jumpadder.sv
index ab2b9099..501bd305 100644
--- a/scripts/example_configs/15_rv32e_merged_pipeline_only_aligned_no_jumpadder.sv
+++ b/scripts/example_configs/15_rv32e_merged_pipeline_only_aligned_no_jumpadder.sv
@@ -116,7 +116,7 @@
 `ifdef 	JUMP_IN_ID
 // CONFIG: MERGE_ID_EX
 // will merge/fuse the ID and EX stage
-//`define MERGE_ID_EX
+`define MERGE_ID_EX
 
 `ifdef MERGE_ID_EX
 // CONFIG: NO_JUMP_ADDER