diff --git a/pom.xml b/pom.xml
index 435e5f0..095e67e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -73,7 +73,7 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>3.8.1</version>
         <configuration>
-          <release>16</release>
+          <release>17</release>
           <encoding>UTF-8</encoding>
         </configuration>
       </plugin>
diff --git a/src/main/java/it/cavallium/data/generator/SourcesGenerator.java b/src/main/java/it/cavallium/data/generator/SourcesGenerator.java
index dc823d4..e90bf6c 100644
--- a/src/main/java/it/cavallium/data/generator/SourcesGenerator.java
+++ b/src/main/java/it/cavallium/data/generator/SourcesGenerator.java
@@ -392,7 +392,7 @@ public class SourcesGenerator {
 						.addStatement("int intermediateVersion = oldVersion")
 						.addStatement("$T intermediateData = oldData", Object.class)
 						.beginControlFlow("while (true)")
-						.beginControlFlow("switch (oldVersion)");
+						.beginControlFlow("switch (intermediateVersion)");
 				for (Entry<String, VersionConfiguration> entry : configuration.versions.entrySet()) {
 					String version = entry.getKey();
 					VersionConfiguration versionConfiguration = entry.getValue();