diff --git a/src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java b/src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
index 4356372f..17ef08c2 100644
--- a/src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
@@ -822,6 +822,10 @@ public class TYPEStmt implements StatementVisitor {
     public void visit(Switch switchStmt) {
         switchStack.push(switchStmt);
 
+        if(switchStmt.getSwitch().getType() instanceof TypePlaceholder){
+            ((TypePlaceholder) switchStmt.getSwitch().getType()).setVariance(1);
+        }
+
         RefTypeOrTPHOrWildcardOrGeneric caseExpressionType = null;
         for (var child : switchStmt.getBlocks()) {
             for (var label : child.getLabels()) {