diff --git a/tools/scripts/reg_doc_gen.sh b/tools/scripts/reg_doc_gen.sh
index 367c77598..a0dba77cd 100755
--- a/tools/scripts/reg_doc_gen.sh
+++ b/tools/scripts/reg_doc_gen.sh
@@ -24,6 +24,7 @@ src/sha512/rtl/sha512_reg.rdl \
 src/sha256/rtl/sha256_reg.rdl \
 src/soc_ifc/rtl/mbox_csr.rdl \
 src/soc_ifc/rtl/sha512_acc_csr.rdl \
+src/axi/rtl/axi_dma_reg.rdl \
 src/soc_ifc/rtl/soc_ifc_reg.rdl \
 src/hmac/rtl/hmac_reg.rdl \
 src/doe/rtl/doe_reg.rdl \