diff --git a/src/main/java/de/tlc4b/analysis/UnsupportedConstructsFinder.java b/src/main/java/de/tlc4b/analysis/UnsupportedConstructsFinder.java
index 188266a9bae09aeeb945437332aa40304b876a76..31727e952f81872cc5877d164b02ca5ec00f79dc 100644
--- a/src/main/java/de/tlc4b/analysis/UnsupportedConstructsFinder.java
+++ b/src/main/java/de/tlc4b/analysis/UnsupportedConstructsFinder.java
@@ -32,6 +32,13 @@ public class UnsupportedConstructsFinder extends DepthFirstAdapter {
 		add(ARealSetExpression.class);
 		add(AFloatSetExpression.class);
 		add(ARealExpression.class);
+
+		add(AIfElsifExprExpression.class);
+		add(AIfPredicatePredicate.class);
+		add(AIfElsifPredicatePredicate.class);
+
+		add(ALetExpressionExpression.class);
+		add(ALetPredicatePredicate.class);
 	}
 
 	private static void add(Class<? extends Node> clazz) {