diff --git a/.run/SnowCompiler.run.xml b/.run/SnowCompiler.run.xml
index 58576a1..545782b 100644
--- a/.run/SnowCompiler.run.xml
+++ b/.run/SnowCompiler.run.xml
@@ -1,5 +1,5 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="SnowCompiler" type="Application" factoryName="Application" nameIsGenerated="true">
+  <configuration default="false" name="SnowCompiler" type="Application" factoryName="Application" activateToolWindowBeforeRun="false" nameIsGenerated="true">
     <option name="ALTERNATIVE_JRE_PATH" value="graalvm-ce-23" />
     <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="true" />
     <option name="MAIN_CLASS_NAME" value="org.jcnc.snow.compiler.cli.SnowCompiler" />
diff --git a/pom.xml b/pom.xml
index d7ca88b..39ea5e8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,8 +9,8 @@
     <version>1.0-SNAPSHOT</version>
 
     <properties>
-        <maven.compiler.source>23</maven.compiler.source>
-        <maven.compiler.target>23</maven.compiler.target>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
diff --git a/test b/test
index 363a1a4..d078ffa 100644
--- a/test
+++ b/test
@@ -3,13 +3,12 @@ module: CommonTasks
         parameter:
             declare num1: int
             declare num2: int
-        return_type: int
+        return_type:void
 
         body:
             num1 = 10
             num2 = 20
             declare result:int = num1+num2
-            return 0
         end body
     end function
 end module