diff --git a/projects/pzsdr/ccbrk/system_project.tcl b/projects/pzsdr/ccbrk/system_project.tcl
index 3d182ce37..bcfeb1f4a 100644
--- a/projects/pzsdr/ccbrk/system_project.tcl
+++ b/projects/pzsdr/ccbrk/system_project.tcl
@@ -10,7 +10,8 @@ adi_project_files ccbrk_pzsdr [list \
   "system_top.v" \
   "system_constr.xdc"\
   "$ad_hdl_dir/library/common/ad_iobuf.v" \
-  "$ad_hdl_dir/projects/common/pzsdr/pzsdr_system_constr.xdc" ]
+  "$ad_hdl_dir/projects/common/pzsdr/pzsdr_system_constr.xdc" \
+  "$ad_hdl_dir/projects/common/pzsdr/pzsdr_lvds_system_constr.xdc" ]
 
 set_property PROCESSING_ORDER EARLY [get_files $ad_hdl_dir/projects/common/pzsdr/pzsdr_system_constr.xdc]
 set_property PROCESSING_ORDER EARLY [get_files system_constr.xdc]
diff --git a/projects/pzsdr/ccfmc/system_project.tcl b/projects/pzsdr/ccfmc/system_project.tcl
index 06d99afc3..5b6abc180 100644
--- a/projects/pzsdr/ccfmc/system_project.tcl
+++ b/projects/pzsdr/ccfmc/system_project.tcl
@@ -10,7 +10,8 @@ adi_project_files ccfmc_pzsdr [list \
   "system_top.v" \
   "system_constr.xdc"\
   "$ad_hdl_dir/library/common/ad_iobuf.v" \
-  "$ad_hdl_dir/projects/common/pzsdr/pzsdr_system_constr.xdc" ]
+  "$ad_hdl_dir/projects/common/pzsdr/pzsdr_system_constr.xdc" \
+  "$ad_hdl_dir/projects/common/pzsdr/pzsdr_lvds_system_constr.xdc" ]
 
 set_property PROCESSING_ORDER EARLY [get_files $ad_hdl_dir/projects/common/pzsdr/pzsdr_system_constr.xdc]
 set_property PROCESSING_ORDER EARLY [get_files system_constr.xdc]
diff --git a/projects/pzsdr/ccpci/system_project.tcl b/projects/pzsdr/ccpci/system_project.tcl
index e09c5a1d0..10d4a8281 100644
--- a/projects/pzsdr/ccpci/system_project.tcl
+++ b/projects/pzsdr/ccpci/system_project.tcl
@@ -10,7 +10,8 @@ adi_project_files ccpci_pzsdr [list \
   "system_top.v" \
   "system_constr.xdc"\
   "$ad_hdl_dir/library/common/ad_iobuf.v" \
-  "$ad_hdl_dir/projects/common/pzsdr/pzsdr_system_constr.xdc" ]
+  "$ad_hdl_dir/projects/common/pzsdr/pzsdr_system_constr.xdc" \
+  "$ad_hdl_dir/projects/common/pzsdr/pzsdr_lvds_system_constr.xdc" ]
 
 set_property PROCESSING_ORDER EARLY [get_files $ad_hdl_dir/projects/common/pzsdr/pzsdr_system_constr.xdc]
 set_property PROCESSING_ORDER LATE [get_files system_constr.xdc]