diff --git a/core/modules/filters/x-listops.js b/core/modules/filters/x-listops.js
index eeda70c4a..cb8c031a2 100644
--- a/core/modules/filters/x-listops.js
+++ b/core/modules/filters/x-listops.js
@@ -206,7 +206,7 @@ Extended filter operators to manipulate the current list.
 			if(operands.length > 1) {
 				results.splice(resultsIndex,1,operands[nextOperandIndex]);
 			} else {
-				results.splice(resultsIndex,1,);
+				results.splice(resultsIndex,1);
 			}
 		} else {
 			results.push(operands[0]);
@@ -232,4 +232,4 @@ Extended filter operators to manipulate the current list.
 		return cycleValueInArray(results,operands,step);
 	}
 	
-})();
\ No newline at end of file
+})();