diff --git a/assembly/src/assembler/mod.rs b/assembly/src/assembler/mod.rs
index 6181d6b4e..ea9b8fd73 100644
--- a/assembly/src/assembler/mod.rs
+++ b/assembly/src/assembler/mod.rs
@@ -430,6 +430,7 @@ impl Assembler {
                         procedure_gid,
                         name,
                         proc.visibility(),
+                        module.is_kernel(),
                         self.source_manager.clone(),
                     )
                     .with_num_locals(num_locals)
@@ -452,6 +453,7 @@ impl Assembler {
                         procedure_gid,
                         name,
                         ast::Visibility::Public,
+                        module.is_kernel(),
                         self.source_manager.clone(),
                     )
                     .with_span(proc_alias.span());
diff --git a/assembly/src/assembler/procedure.rs b/assembly/src/assembler/procedure.rs
index 17c2cb145..c1a59063b 100644
--- a/assembly/src/assembler/procedure.rs
+++ b/assembly/src/assembler/procedure.rs
@@ -21,6 +21,7 @@ pub struct ProcedureContext {
     span: SourceSpan,
     name: QualifiedProcedureName,
     visibility: Visibility,
+    is_kernel: bool,
     num_locals: u16,
     callset: CallSet,
 }
@@ -32,6 +33,7 @@ impl ProcedureContext {
         gid: GlobalProcedureIndex,
         name: QualifiedProcedureName,
         visibility: Visibility,
+        is_kernel: bool,
         source_manager: Arc<dyn SourceManager>,
     ) -> Self {
         Self {
@@ -40,6 +42,7 @@ impl ProcedureContext {
             span: name.span(),
             name,
             visibility,
+            is_kernel,
             num_locals: 0,
             callset: Default::default(),
         }
@@ -76,8 +79,9 @@ impl ProcedureContext {
         &self.name.module
     }
 
+    /// Returns true if the procedure is being assembled for a kernel.
     pub fn is_kernel(&self) -> bool {
-        self.visibility.is_syscall()
+        self.is_kernel
     }
 
     #[inline(always)]