diff --git a/extras/jsl.conf b/extras/jsl.conf
index 94e3e86c..1190da52 100644
--- a/extras/jsl.conf
+++ b/extras/jsl.conf
@@ -14,7 +14,7 @@
 -missing_break_for_last_case  # missing break statement for last case in switch
 -comparison_type_conv         # comparisons against null, 0, true, false, or an empty string allowing implicit type conversion (use === or !==)
 -inc_dec_within_stmt          # increment (++) and decrement (--) operators used as part of greater statement
-+useless_void                 # use of the void type may be unnecessary (void is always undefined)
+-useless_void                 # use of the void type may be unnecessary (void is always undefined)
 +multiple_plus_minus          # unknown order of operations for successive plus (e.g. x+++y) or minus (e.g. x---y) signs
 +use_of_label                 # use of label
 -block_without_braces         # block statement without curly braces