diff --git a/lib/node_modules/@stdlib/iter/cunone-by/lib/main.js b/lib/node_modules/@stdlib/iter/cunone-by/lib/main.js
index d93c22dc47c..8ee2c6b00b3 100644
--- a/lib/node_modules/@stdlib/iter/cunone-by/lib/main.js
+++ b/lib/node_modules/@stdlib/iter/cunone-by/lib/main.js
@@ -111,6 +111,7 @@ function iterCuNoneBy( iterator, predicate, thisArg ) {
 			FLG = true;
 			return v;
 		}
+		i += 1;
 		if ( value && predicate.call( thisArg, v.value, i ) ) {
 			value = false;
 		}