diff --git a/Makefile b/Makefile
index 7c2fd6f..bf31e73 100644
--- a/Makefile
+++ b/Makefile
@@ -58,6 +58,7 @@
 	@echo "Generating Caravel GDS (sources are in the 'gds' directory)"
 	@sleep 1
 	@echo "\
+		random seed `scripts/set_user_id.py -report`; \
 		gds readonly true; \
 		gds rescale false; \
 		gds read ../gds/user_project_wrapper.gds; \
@@ -70,8 +71,6 @@
 	@mv -f ./gds/caravel.gds ./gds/caravel.old.gds
 	mv ./mag/caravel.gds ./gds
 
-
-
 .PHONY: clean
 clean:
 	cd ./verilog/dv/caravel/mgmt_soc/ && \
diff --git a/scripts/set_user_id.py b/scripts/set_user_id.py
index 8633ccb..6596bd0 100755
--- a/scripts/set_user_id.py
+++ b/scripts/set_user_id.py
@@ -102,6 +102,7 @@
     arguments = []
 
     debugmode = False
+    reportmode = False
 
     for option in sys.argv[1:]:
         if option.find('-', 0) == 0:
@@ -116,6 +117,8 @@
 
     if '-debug' in optionlist:
         debugmode = True
+    if '-report' in optionlist:
+        reportmode = True
 
     user_id_value = None
     user_project_path = None
@@ -173,6 +176,10 @@
             print('Error:  No info.yaml file and no user ID argument given.')
             sys.exit(1)
 
+    if reportmode:
+        print(str(user_id_int))
+        sys.exit(0)
+
     print('Setting project user ID to: ' + user_id_value)
 
     magpath = user_project_path + '/mag'