diff --git a/hdl/common/rtl/Manifest.py b/hdl/common/rtl/Manifest.py
index 15c06672b7e463f5f25b144cd0c6164b22d357e8..69a3b6c2544f7bdd64cd236e01e8990df3494adf 100644
--- a/hdl/common/rtl/Manifest.py
+++ b/hdl/common/rtl/Manifest.py
@@ -1,2 +1,3 @@
 files = ["dummy_ctrl_regs.vhd",
-         "dummy_stat_regs.vhd"]
+         "dummy_stat_regs.vhd",
+         "wb_addr_decoder.vhd"]
diff --git a/hdl/spec/rtl/wb_addr_decoder.vhd b/hdl/common/rtl/wb_addr_decoder.vhd
similarity index 100%
rename from hdl/spec/rtl/wb_addr_decoder.vhd
rename to hdl/common/rtl/wb_addr_decoder.vhd
diff --git a/hdl/spec/rtl/Manifest.py b/hdl/spec/rtl/Manifest.py
index c778b1b400c6b155648e05e28fef12eb23b54e2f..5bffbde33f4cf654d70d5a8de2ceb55129fc23d5 100644
--- a/hdl/spec/rtl/Manifest.py
+++ b/hdl/spec/rtl/Manifest.py
@@ -1,5 +1,4 @@
-files = ["spec_gn4124_test.vhd",
-         "wb_addr_decoder.vhd"]
+files = ["spec_gn4124_test.vhd"]
 
 modules = {"local" : ["../../common/rtl",
                       "../../gn4124core/rtl",