diff --git a/src/pretix/helpers/jsonlogic_query.py b/src/pretix/helpers/jsonlogic_query.py
index d58c77e4ba..081838719f 100644
--- a/src/pretix/helpers/jsonlogic_query.py
+++ b/src/pretix/helpers/jsonlogic_query.py
@@ -46,7 +46,7 @@ class GreaterEqualThan(Func):
 
 
 class LowerEqualThan(Func):
-    arg_joiner = ' < '
+    arg_joiner = ' <= '
     arity = 2
     function = ''