diff --git a/nac3core/src/toplevel/composer.rs b/nac3core/src/toplevel/composer.rs
index 5e86cb38..9e8edb88 100644
--- a/nac3core/src/toplevel/composer.rs
+++ b/nac3core/src/toplevel/composer.rs
@@ -2140,14 +2140,17 @@ impl TopLevelComposer {
                     {
                         let subkernel_dest = keywords.iter().find(|keyword| {
                                 if keyword.node.arg == Some("destination".into()) {
-                                    if let ExprKind::Constant { value, .. } = &keyword.node.value.node {
-                                        return true;
+                                    match &keyword.node.value.node {
+                                        ExprKind::Constant { .. } => true,
+                                        _ => false
                                     }
+                                } else {
+                                    false
                                 }
-                                false
                             }
                         ).node.value.node.value;
-                        if let Some(Constant::Int(sk_dest)) == subkernel_dest {
+                        // treat subkernel as kernel if the destination is the same as currently compiled
+                        if let Some(Constant::Int(sk_dest)) = subkernel_dest {
                             if sk_dest != destination.unwrap_or(0) {
                                 instance_to_symbol.insert(String::new(), simple_name.to_string());
                             }