diff --git a/code/game/machinery/computer/card.dm b/code/game/machinery/computer/card.dm
index 07c74e89bf5..752deea9c11 100644
--- a/code/game/machinery/computer/card.dm
+++ b/code/game/machinery/computer/card.dm
@@ -389,7 +389,7 @@ GLOBAL_VAR_INIT(time_last_changed_position, 0)
 				if(!job_in_department(SSjobs.GetJob(t1)))
 					return 0
 				if(t1 == "Custom")
-					var/temp_t = sanitize(copytext(input("Enter a custom job assignment.","Assignment"),1,MAX_MESSAGE_LEN))
+					var/temp_t = sanitize(reject_bad_name(copytext(input("Enter a custom job assignment.","Assignment"),1,MAX_MESSAGE_LEN), 1))
 					//let custom jobs function as an impromptu alt title, mainly for sechuds
 					if(temp_t && modify)
 						SSjobs.log_job_transfer(modify.registered_name, modify.getRankAndAssignment(), temp_t, scan.registered_name)
diff --git a/code/modules/modular_computers/file_system/programs/command/card.dm b/code/modules/modular_computers/file_system/programs/command/card.dm
index 0ec75c6d74e..6d8cece1615 100644
--- a/code/modules/modular_computers/file_system/programs/command/card.dm
+++ b/code/modules/modular_computers/file_system/programs/command/card.dm
@@ -221,7 +221,7 @@
 			if(is_authenticated(usr) && modify)
 				var/t1 = href_list["assign_target"]
 				if(t1 == "Custom")
-					var/temp_t = sanitize(copytext(input("Enter a custom job assignment.","Assignment"),1,MAX_MESSAGE_LEN))
+					var/temp_t = sanitize(reject_bad_name(copytext(input("Enter a custom job assignment.","Assignment"), 1, MAX_MESSAGE_LEN), 1))
 					//let custom jobs function as an impromptu alt title, mainly for sechuds
 					if(temp_t && modify)
 						SSjobs.log_job_transfer(modify.registered_name, modify.getRankAndAssignment(), temp_t, scan.registered_name)