diff --git a/code/controllers/configuration/configuration.dm b/code/controllers/configuration/configuration.dm
index 70be8cfa0c..e9c0aa71b8 100644
--- a/code/controllers/configuration/configuration.dm
+++ b/code/controllers/configuration/configuration.dm
@@ -168,7 +168,10 @@ GLOBAL_PROTECT(config_dir)
 				mode_names[M.config_tag] = M.name
 				probabilities[M.config_tag] = M.probability
 				mode_reports[M.config_tag] = M.generate_report()
-				mode_false_report_weight[M.config_tag] = M.false_report_weight
+				if(M.probability)
+					mode_false_report_weight[M.config_tag] = M.false_report_weight
+				else
+					mode_false_report_weight[M.config_tag] = 1
 				if(M.votable)
 					votable_modes += M.config_tag
 		qdel(M)