diff --git a/modules/util/source-formatter/src/main/java/com/liferay/source/formatter/check/IfStatementCheck.java b/modules/util/source-formatter/src/main/java/com/liferay/source/formatter/check/IfStatementCheck.java
index 3ac81db597c635..33c604b69ae4fa 100644
--- a/modules/util/source-formatter/src/main/java/com/liferay/source/formatter/check/IfStatementCheck.java
+++ b/modules/util/source-formatter/src/main/java/com/liferay/source/formatter/check/IfStatementCheck.java
@@ -74,6 +74,10 @@ protected String doProcess(
 
 				String clause = ifStatement1.getClause();
 
+				if (clause.contains("instanceof")) {
+					continue;
+				}
+
 				int x = StringUtil.indexOfAny(
 					clause, new String[] {"&", "<", "=", ">", "|", "^"});