diff --git a/lib/rules/no-loop-func.js b/lib/rules/no-loop-func.js
index daf25d4cc53..58cf3360d86 100644
--- a/lib/rules/no-loop-func.js
+++ b/lib/rules/no-loop-func.js
@@ -21,7 +21,7 @@ function isIIFE(node) {
 /**
  * Gets the containing loop node of a specified node.
  *
- * We don't need to check nested functions, so this ignores those.
+ * We don't need to check nested functions, so this ignores those, with the exception of IIFE.
  * `Scope.through` contains references of nested functions.
  * @param {ASTNode} node An AST node to get.
  * @returns {ASTNode|null} The containing loop node of the specified node, or
@@ -56,9 +56,12 @@ function getContainingLoopNode(node) {
             case "ArrowFunctionExpression":
             case "FunctionExpression":
             case "FunctionDeclaration":
+
+                // We need to check nested functions only in case of IIFE.
                 if (isIIFE(node)) {
                     break;
                 }
+
                 return null;
             default:
                 break;